The 100th Anniversary of the International Metric Convention 1975
Praegu kuvatakse: Bulgaaria - postmargid - 1975 - The 100th Anniversary of the International Metric Convention - 1 margid.
1975
The 100th Anniversary of the International Metric Convention
21. märts WM: mitte ükski perforatsioon: 13
![[The 100th Anniversary of the International Metric Convention, Tüüp CEP]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/CEP-s.jpg)
