CANADA 1953 NATIONAL WILDLIFE WEEK FIRST DAY COVERS, OTTAWA
2c Polar Bear, 3c Moose and 4c Bighorn Sheep singles on individual Philatelic Supply Company unaddressed covers each with slogan and OTTAWA, ONTARIO, CANADA circular cancel dated APR 1 1953, the first day of issue. Minor ageing otherwise fine. SG447-449; SC322-324
