Certified Mail Envelopes with 4 different uncommon Vancouver B.C. cancels, used 1974-81
- form 41-16-142 (10-73) with Letter Carriers Section, Vancouver, B.C., May 10, 1974 (oval cancel)
- form 41-016-142 (4-77) with North Vancouver, Postal Station, Wicket Service, Apr/Avr 10, 1978 (lg round cancel)
- form 41-016-142 (4-80) with North Vancouver, Postal Station, 647640, Apr/Avr 21, 1980 (lg round cancel)
- form 41-016-142 (4-80) with West Vancouver Wicket Services, Vancouver B.C., V7Y 3S0, 647616, Apr/Avr 28, 1981 (lg round cancel with inverted date)
