1) 5 cents domestic letter rate period : to October 31, 1968
Johnson Nurseries, Kingston, Ontario
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhC3uYuOgiqWJ27fTF-8AX-cHGkRIBl5JUKjyPPKZDHnb7j75WggPx06TguGXkBFHNCsoBNo_zr9vtBYJTqWwzrl-54Bf8f-K_OtVBCdiFNjNtaNpOicd8yph0YwMdNgKs6Qol05dxrZQus/s1600/Illustrated+5c.jpg)
Kingston, May 10, 1967
Greenwood Credit Union Ltd., RCAF Station Greenwood, Nova Scotia
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjalZpEi51sipCe0vMAtY4nkFJ5EmdKL1a2qF9EnlAItIEPe8IIWPMzm26AOMN7gcAaVugJX1U8UIGWeEg05_ARCYJymHScPhclhF1lquAk5XGrKcdSpcE62Zjm7ZhbRcIhQmcdKZUyuSjz/s1600/Centannial+Commercial+covers+2+Anderson+Park.jpg)
Addressed return envelope from Anderson Park (CFS Borden) to Greenwood, N.S. ,October 22, 1967
Waterdown High School, Waterdown, Ontario
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGO8MM3uJeaNtrizLnXyrcsEn_kJ3YSacub9BOMfvd5L4geITsZHzg-x-4LJG3xE03XDB3bS-EsnI3sy-Q5vrcxGT72a0H1rkRBursjmZ0YK8XQKUT18wrCQbM7FxlGXpeVQQm-uzU77P3/s1600/Centannial+Commercial+covers+1.jpg)
Waterdown, September 25, 1968
Seven-Up (Saskatoon) Ltd., Saskatoon, Sask.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiyg9bCqZ4YSn2P8y4Q71c99jzrhyphenhyphensTEoN6LeO325O9lp5bB_fEFJvAh-ZF_CzlLB8hCNTOHTpcpYnfY3Zws0zineQJgQtIO2Y0ABzEFl-logfEYKSvpUCfiYPUB2-smufCS4APZ3E93nr3/s1600/Centannial+Commercial+covers++3.jpg)
Saskatoon, July 6, 1967
Saskatoon News Agency, Saskatoon, Sask.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtOM7xf-BKLoo0M513rVQKAq7VCvq6t-sY5Z6WasoMMwfResFWN4QOD-VEoOFgbLAL3X6Hf5rGl92VoBuzodchq-i-jCSy0vdufgZrNr8rhHu1wpBZ8LQeMxoaFHhpb7IMmC0OvKO8_kkG/s1600/Centannial+Commercial+covers+4.jpg)
Saskatoon, April 5, 1968
Queensway Cathedral, Toronto, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBZVKLfby4HUPi_COCsCPXt7OiG7jJxaUdhlzKGRP5T9HZOfddLQJgtHyiRN-Y2jxxMzmvOjGTgruTDc9lBffMv8wVhpa7tWZBZ4I0Ymw5w_-OdNimyoC1TQumjeiG5LExYIrbaAJCp9x5/s1600/Centannial+Commercial+covers+5.jpg)
Cooksville, April 12, 1967
Carpetorium of Victoria, Ltd., Victoria, B.C.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYgQZ9T76HuozzIBYDgNXikStVVAxiOEguzH3l8Chjq-QkH91rmgbMyu8Szb6-VijQKVWvLESptgsGyDj8S68umbvx9AA5qucLjYtZVcsvDrT8IsXaj9yGKYAX8rZWzliVFqSfUhLdx8Mr/s1600/Centannial+Commercial+covers+7.jpg)
Victoria, April 13, 1967
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizOH7awVXOBgRiSLdJ-F6cMBokZeFWdBL93B23rsKuYNxszR3tcTO5Xiry3BFhTtKbYk7ZhqY_71nymmUBGnjXLgEU78A-OWXBKIJrGorSwoTQIXx87DrAJiNE6eTyIXIAkMyUtiPLPEOg/s1600/Centannial+Commercial+covers+6.jpg)
Mrs. Whytes Products Inc., Montreal, Que.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEje7BWWQiEyWj9_p9rNCtTCP3zcQ2tsIr9ru_VSxjOHcIGWQ29u2ndlSC70MnoDQx0xbwrn4DMgL7HJ9wOf4Sl-dcA4snjyBrnenpSXaTngfUlyeXdxNhyphenhyphenBMkyl4_JqWGQlbtaRXaZJTf55/s1600/Centennial+commercial+covers+33.jpg)
Montreal, April 16, 1967
The local letter rate during this period was 4 cents
Sunshine Candle Mfg. Co., Montreal, Que.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPmA60hoaOa0gTegBtxNCenuXPxbgHKBDKUUHI9fWNUnGaHkYIdSiVT2YY0k2Jf-gSJJOrPAWdjndZHKoaQjIIAMTUkk-0DdykRR9YmDMThjmr9LoF4aQvoeK0t1vC21EVr6FXlOJ9Llo3/s1600/Centennial+commercial+covers+34.jpg)
Montreal, May 26, 1967
Western Accessories Limited, New Westminster, B.C.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5SORw1seSdJ2Km8aR13JKI-Wh4TXR5Fgxcebk738Sxw_DLQrLZPqLcdWrOjsMcAPXyMGsX7x3OJgfLoGQRmxEFbQpG8Cuq4QFO7MBTTgxJpNCZGOIFRPBru_UNmmjLjMtfW9ycsH4rFX8/s1600/Centennial+commercial+covers+35.jpg)
New Westminster, May 2, 1967
Marine Workers and Boilermakers Industrial Union, Vancouver
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDlgLcq9TOk9TwKs9cSIPXJHkU9rA6FfcMwD-4NobhzfFWt95wQ5Z2OGrzZ57i3o8eYHNk9dPEP9ZS-Yqgmoblk4Rf2nPTCCiRIbkLWmmoao3sKw-TMFUOa9_jlGvvse-9el7BAH-_blbC/s1600/Centennial+commercial+covers+36.jpg)
Vancouver, February 8, 1968
Bonny's Taxi Ltd., Burnaby, B.C.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYEVDOjhCErXD_2h41bs2Oe97eAXIhtSjRNvjYvK18AR5axf0qKdDTIwG9FItLdtVLlapuFV8D-iBhviS6UCNUDfLLlu1s78_n2EK-CaUovUt66GE4NQoGjtr0ucU8lvGIToTr9TgWTXif/s1600/Centennial+commercial+covers+37.jpg)
Vancouver, March 18, 1968
Black's Camera Stores, Dundas, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjO-CfxNlnHYwQa9gS52NhruuyuYl1OM75K6czxg95zsZvvFNArCF6lVKwk9wR_z8RdDQmYK5745hvnOpmIzpdN-z8jLhJtxYSTwVH6v2ml70mGm2Dx3W-a0VRI1iWdeyL5igrPZ5sZmBTF/s1600/Centennial+commercial+covers+38.jpg)
Dundas, October 2, 1968
The domestic post card rate was 4 cents during this period
2) 6 cents domestic letter rate period : November 1,1968 - June 30 1971
Meaford Steel Products Limited, Meaford, Ontario
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEPxtHPhnZiGquNAJysLjamz_hI0rEhUA2qERVI0yPJ-rvMSvTDgop9LBocjUXJh3lUEzi0pjuOsgIWKLl287ZVBAJnDZSlXrKVViUyaQLox75uTO-qQAF9TmU1p1n_fEwXFhuQ_1ejmQg/s1600/Illustrated+6c.jpg)
Meaford, November 22, 1969
Formosa Spring Brewery Limited, Formosa, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGR7uFlrbB_rqAZcsqbyWpDqYVEWiskKct92KnqrmPN_Y2cbVn5d6uG-5NRELJvHKKWfTCHFXAAj_Kh4IGiU2zSwqqJS3KzThIR_cKXbBSLQ4LgXVCm5y7mYbQroOPKfcySoFctqG4u0Wo/s1600/Centennial+commercial+covers+8.jpg)
Formosa, November5, 1969
Anne Foster, Hamilton, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEZc8a_gCcESuW5xnpCU5MTJ6TEtlKBGhi4VFGxUrJKai4SxQERlCH7ekZ7NNTTi5Vhf9FMU1Qm5KI8T5rzUW1pHsyZJQgukGqifzJZmwGClAOqik_47RgEu1_So6xl76nYDyJnCWUBOWg/s1600/Centennial+commercial+covers+9.jpg)
Hamilton, December 29, 1969
Rawson Music Centres Ltd., Peterbrough, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHol7_EGKPKV9h50zMIICIlPoGzC8AfeqzI4y0FKnR3vIWWCAc7Nv6tkwx5tpOMWi3VdGPb0O3ICG-epcl1BFhIW26ENLqp4nOGmvQ4niZlENU8JNDYXjaw0Slq_TEY9t-nN10mpQbHiZU/s1600/Centennial+commercial+covers+10.jpg)
Peterborough, December 15, 1969
Woodstock Bottling Works Ltd., Woodstock, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge0usJZLBmw5VqCsNgV2OILEn12lIFdRqIgCp44INV3U7Ow8ji93oZL0PupnXpPmvb8xzmSUqoWsYOdM08Z0UurR35SFv0QIf7hsHTUXVPTAJ1zhGfekMEc7dLBFlIukd1OqYwNN_56NNx/s1600/Centennial+commercial+covers+11.jpg)
Woodstock, November 5, 1969
Marlborough Hotel, Winnipeg, Man.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4rIZ8qirNAXaIdp67BTPdP6PwvnymH6Ap7U1ik91h3iL-Yvmm4BvUxNHz4G3MmvJ1BksxGaD66lo7JhyIUs1M2Nl3iHuUDKCJ0F46O3GajwljhEyRS1R4IMP_ozmIPRW6FaFZvrOyUP8c/s1600/Centennial+commercial+covers+12.jpg)
Winnipeg, January 6, 1969
Parkway Bible Church, Scarborough, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCvtFyQQWQB82q5uX4E8VJqJjvWFztICcFXdMIWzDOLhkdsy5T-YxMBW4bHccUsAIyPlhbmdZEqhunEiAmVOOiPL8T8_nDgeNvZlFcVXrKuXLSegk7hDYvuTzS7uDs__0iEDb7PI1yF1mJ/s1600/Centennial+commercial+covers+13.jpg)
Agincourt, February 26, 1969
Prairie Book Room, Three Hills, Alta.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTl5dT0kuemJFFd4VWGd_iR5tVTeokLzO86f3ThxX4aDl_IQlwomAxDYQMophphppVQUgPWfoBui28gmH0vYTIcQrhZEOqEVEf9bDSniNOuv6Xw6M7Imd_rAimogbf__tHxEdwOl7l6Frm/s1600/Centennial+commercial+covers+15.jpg)
Three Hills, March 29, 1969
Calgary Family Book Store, Calgary, Alta.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBfnbivh_TxVsUfVAhNVyjR1p_-UdHWmlKLyehBsvuv9UNqFEG6cjRV0iUupyv9Kpv4iePWACgv7Qlq_IC3i3G5Is0-_oa-VDzg3_3AcdB9GfaSpRH-naKRVmIYrqdgbhQ7kkFNULSpiJq/s1600/Centennial+commercial+covers+16.jpg)
Calgary, February 26, 1969
Army, Navy and Air Force Veterans in Canada, Vancouver
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiyaBbrcx_ZU3EopJXAGj3Icdznn5G2R1oOTpAyRvPXa80m7RTxs37vkFocBX6AgzYsra9TNvncLd02ogZvEPenZLyzci6I9dOqeTbHZ4Xx_QgDJx6wUIFmSXYjBrYuF-3436G6N5V8e4dl/s1600/Centennial+commercial+covers+17.jpg)
Vancouver, January 9, 1970
Sepp's Market, Montreal
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhC1E0xlJalKovzOx1-0AY9Frfwa-cvP7vujCvYRJWv-DArFpnozidSzO-725G_QCKE6xKton8L32SdjhdUJRxTjfdXPIE2EJzugo26XIk2RI9ZKHfNthS8_IYVgOJ_BALDjgj3ex-chF6t/s1600/Centennial+commercial+covers+18.jpg)
Montreal, March 3, 1970
Cambie Plumbing and Heating Ltd., Vancouver
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLOezPrf7f2N5gheLjPqpIIvnisI3Le373LemykvWhjMoa2xmyWTNPpdOGif9McDUGae3s3cZ7u89T9kUHYVhhAUX76PYl0gAF9ivvrM6CNenJ8pLcNs2sNg3p4Padhm-HJbrd5Gj5HW6M/s1600/Illustrated+6c+black+001.jpg)
Vancouver, April 17, 1970
Willards
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7quylgQIqFPCT7mCeObLs6PXytskOCKBNoMM8_X8TgdKWs62l-Jq8ODDVvdnIxc7lGhj3rSMpfgxGSXx03HsmyDAXd5zLiJLaGYu1cyxfxCmT5zEWclH4ps6l96JJzcsVsuftgf3u5vtw/s1600/Centennial+commercial+covers+20.jpg)
Islington, March 9, 1971
Canadian Red Cross Blood Transfusion Service, Ottawa
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWV2eM7-4ToSy0mZbBvOxerlJX5bJGNDiCXQIVUEFKSYGLhJFek_02bIQe806qOVquerAdw8hHj8EPEydXAvSoIqTmuTOlqPQBuDq94gqN8O-wkpYPZFP0-VqpR6QlkvWwROxwev-9e3Et/s1600/Centennial+commercial+covers+21.jpg)
Ottawa, November 11, 1970
CP-CN Telecommunications
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimMd1RMvdsZkZURgRsQ6ZTa4jaZ1B1zMobw-PifwbEc3k6U-3vXrNwzUbZ2Jw-Z53YoS0YFl2auJYydDyFNkj8LtrCfO_ZOo7q2Nd5F_PlR2KROTS_oS_aYGMqkT0sJtoDnwZM0twxTnld/s640/Centennial+commercial+covers+22.jpg)
Oshawa, May 27, 1971
Camp Wahcahme (Nobel, Ont.), Etobicoke, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsq9yB4IKgNc2Rhn5ScS8OqvjYWqS_mXaDyIVST8byYUBKmXdkDIgg1ncOQwqm_8xn6gnVeg9XUP4DYCN0nFP0fY0fvQs5VhpxP9acQIwdr3nUVnwtp7OIoXNJOZctLsYXQBBGyZqwmbkf/s1600/Centennial+commercial+covers+23.jpg)
Etobicoke, April 11, 1970
Robinson's, Victoria, B.C.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhNZU7wlX8VAmxBF5IPhKzjyjwHoC4yb9ccCnrsZxzmRsAqFO9SNuIdtb0Bq56HmMQc5BtkrwS07cGPIiWdOL5-s8YJDLYbd_qoyNpQvUZOoCVsuq7I8kd7tJu5vRgJqVEm80kptRs4xmLP/s1600/Centennial+commercial+covers+24.jpg)
Victoria, June 1, 1971
Mme J.A. Brule Fleuriste, Montreal
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuVJpHQjRSd6qsFysUsQ7N1gFVclzQ_RpcprWhljXx0D0NnN4RAG8OUij47JOrHy3j5pp4Hul2c4qOANU31sqn6Ge83x8H2mjkvjx6UUGfK6yPilHGM2DYxfjqpF5j2vJaYWCiET25gckG/s1600/Centennial+commercial+covers+19.jpg)
January 5, 1971
3) 7 cents domestic letter rate period : July 1, 1971 - December 31, 1971
Howson & Howson Limited
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiI8wbyhtR7ayCej_lH8iy4IU5zsGAgfJZRLEWJfpn46-TnRTf9Axc1lV0o_SCOfvMcEuRyBVAzu9D_I7k1P5AFr8Ik7KOPDRBSMJCUGTXt3gH8Y3T3rkv9SXMTBwoIIABdsX_WhSvj4HAM/s1600/Illustrated+7c.jpg)
Blythe to Montreal, November 2, 1971
Birch Hills Credit Union Ltd., Birch Hills, Sask.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnlNRFrl7JERj0ZsYqAG5tSnlrvTX6n4uz7XCSq620gkknbgL2qllh-wyCtd-DTEMtat9Gc6MUMLmPy0KwB6sZxmmwUFGVlQ-YUKECHwYkV6nTkHcrcMOS2oiXFAaNNWkb8E6hSbpiCe54/s1600/Centennial+commercial+covers+25.jpg)
Birch Hills, November 1, 1971
World's Products Distributors Ltd., Botwood, Newfoundland
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjq9WFBIT7HogD0bgm1DCX4HILJT267xW99Da702ar33qxcpAE1iB0vO7EVV6QFnZx1PsBHrGnCB4r-k3LMx6ISSSWKV43wjsZROHUE7tUivWJALQWvhQiJ56EwQULj0149hE0J6j4UrWbp/s1600/letter+7c.jpg)
Botwood to Montreal, October 20, 1971
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXtViBicqYhC3LpdwA323cdz7aVP2ozt3ydpUJ5zGdf8x4_ZZrDMtnJPEqThILOthtTr1WrGO3Bs2lHeQhj1BNaqIZYykw7GsPUSu9uGfUMi6wA7jcInx-G7bnDIedSdW-eXytNwV_PsCB/s1600/Centennial+commercial+covers+26.jpg)
4) 8 cents domestic letter rate period : From December 1, 1972Henri Jonas & Cie, Montreal
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSYrtor6kzkZ-aRAdrkAq7k971tkN3brTQXAmx0zPUER-iI7BCmrNPwui0hkClQzzr-KKwSvAVUDvGIPKm5V3Dv5GSwdNk7u-Di1Udf7jRICnT0-zIAy8NqvBAzsOff6tk5YfQKGYNlJdx/s1600/Illustrated+8c.jpg)
Montreal, June 30, 1972
A.J. Boucher, Enrg., Montreal, Que.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhB0qHvxRlnoDiMrQgd0AJHMlmIfQe7-ytVnqmK8Jy-2WZBqry76Spa5QECcpGoJiWr-oUvGPxNnoJwdHRjepYzAXVwii8Rv_02-6lums5aX2rtCAUQUuhC3dU64qXN0X0X4mh6WcrbyyLZ/s1600/Centennial+commercial+covers+27.jpg)
February 26, 1972
Concentres Frontenac Inc., Quebec, Que.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgoL1DJwgJs0QZIfjXYJHkQbRmNIt3X5AuCsJVpNR5ctSxPRrb70AiLuvo3JdZuoQeBcflviVrTc64vs0iLda5o0nKykQiar9TlY8JaOqJhUIjN8QQaLh-ZxJeFVqTHQdpv1ecdsgr6_NmX/s1600/Centennial+commercial+covers+28.jpg)
Quebec, April 11, 1972
Les Autobus Deshaines Ltee, Deschaillons, Que.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7epLZ7wLZJQ84w4ZRZzUaoUrYHD4DLa5FgCXWeCdsDtaaaYiNnVWLHDnNEfE7A9vpCisgfqPkoO-JWmCwnlX1h1kl8WcJBQ_SFely7M4V4YgPCM4D53eQ7IbHvNe8Qs41uXNEWscRmTm0/s1600/Centennial+commercial+covers+29.jpg)
Becancour, Que, February 24, 1972
Kingsway Bedding, Vancouver
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOd93JO_fFFL1Qpp56APNNvYHwsk7qTEaI-pwNsGaWGLxv8LhL68pe0AADAxWl1ErwWUfjafc9jdj2oUmzgtwUXTffzcQBYBosD-QP6L1qx6PGmYqIQ_f7RnOCTpWeOMcOEXXQlMp7fc-w/s1600/Centennial+commercial+covers+30.jpg)
Vancouver, December 15, 1973
Campbell, Hamilton
Apart from the name change the Campbell stationery remained unchanged for many years.
Campbell Glass Limited
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvk_2lf6n2I-8o0o89NdJ4y51cUIYqeQsECLVx0UC_uQnoEOxCPI6T5VAHNjlAl89y5VgIDMNWT78_oz9770v0yHBa0cocaBiBhDnBAsh5c0mM23YHU0iO1IHiQyPel7XKl1G0zt9auTw6/s1600/Centennial+commercial+covers+31.jpg)
Hamilton, November 23, 1951
Campbell Bros. of Hamilton, Limited
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZOKs0_cS60c1gEnfVHkHpTgckSZpyFrRIFI2LUJXrbqNpT4KEFg__bxH5SGomTqS-PqvMKWNWMj1VTAVZQvcHdtNXEjpCWW_GJwwsITG8oQmqA37U0P71Tv0Y4rwy4LZ3Tqfq96gkf5dN/s1600/Centennial+commercial+covers+32.jpg)
Hamilton, March 7, 1974
K-W Poppy Fund, Kitchener, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTdm5rB1iNdCQLq3GrdyL6YowtQD_BgdaXQiYu1sROF1BCyBdAa2RRU3GbBQDp4LBjysNtLRc-sftLWFiENWmVB_HqcZkDVVJJnnn05rRaOAt3Sb_x2S19aO3oYQOWFLqC4NeCmjT9yH_d/s1600/Centennial+commercial+covers+39.jpg)
Kitchener-Waterloo, October 11, 1973
The printed matter rate during this period was 6 cents
Booth Supply Co. Limited, London, Ont.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiS6FdxH4_5Rpis412HUtIfaocGjs_5avTsHuy1eiT7-SlIKzH9uptT3SE4akkoWEiLfUKZ4NZRfR5RGwuNEL-ROiXWA1wsWV1eZgnIsT1OZh4yr_6u5XYkaEkQ5M8CAZK5X7UZqPINFfzP/s1600/Centennial+commercial+covers+40.jpg)
London, March 18, 1973