Now showing: Canada - Postage stamps (1950 - 1959) - 7 stamps.
2. February WM: None Perforation: 12
2. February WM: None Perforation: 12
1. April WM: None Design: Emanuel Otto Hahn Engraving: Silas Robert Allen Perforation: 12
1. June WM: None Design: E. Hahan Perforation: 12
2. November WM: None Design: Alan L. Pollock Engraving: Joseph Keller Perforation: 12