Belgia
Prezentat acum: Belgia - Timbre poştale (1849 - 2024) - 1 timbre.
1973
The 100th Anniversary of International Metrological Cooperation
24. Martie WM: Niciunul Design: Gustave Van de Woestijne y Jean Malvaux. Perforare: 11½
![[The 100th Anniversary of International Metrological Cooperation, Tip APO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Belgium/Postage-stamps/APO-s.jpg)
