The 150th Anniversary of Weather Observing in Canada 1990
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1990
The 150th Anniversary of Weather Observing in Canada
5. September VM: Ingen Arkstørrelse: 50 Design: Denis L'Allier, Dominique Trudeu, David Collins Gravering: Ashton-Potter Limited Perforering: 12½ x 13¼
![[The 150th Anniversary of Weather Observing in Canada, type APO]](https://www.stampworld.com/media/catalogue/Canada/Postage-stamps/APO-s.jpg)
