The 25th Anniversary of the Bolivian Mining Corporation 1977
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1977
The 25th Anniversary of the Bolivian Mining Corporation
31. oktober VM: Ingen Design: A. Bel. Gravering: La Papelera S.A., La Paz. Perforeringer: 13¾ x 13½
![[The 25th Anniversary of the Bolivian Mining Corporation, type VY]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/VY-s.jpg)
