Canada Postage stamp, <b><a href="https://en.wikipedia.org/wiki/Alexander_Graham_Bell" class="extiw" title="wikipedia:Alexander Graham Bell">Alexander Graham Bell</a></b> 100th anniversary of birth commemorative issue, 4c, blue
Canada Post Office
1947-03-03
Canafa Post Office / Gwillhickers: Hi-res scan of Canada postage stamp from private collection.