Canada
Prezentat acum: Canada - Timbre poştale (1868 - 2024) - 1 timbre.
1987
The 100th Anniversary of the Engineering Institute of Canada
19. Mai WM: Niciunul Marimea foii: 25 Design: Les Holloway, Nita Wallace, Richard Kerr Gravură: Ashton-Potter Limited Perforare: 12½ x 13