100 Años de Minería de Harz- Sulfuro de Cinc (ZnS), Galena (PbS).
Caution
This fully reproduced in this stamp in other electronic or printed without the express permission of the owner.
If you are interested contact the owner Stamp: Herman Cudris Castañeda
Descripción / observaciones
Sellos emitidosn en 1968 y su caducidad en 1970 - Michel:DE 547 - Stamp Number:DE 979 - Yvert et Tellier:DE 412 - Stanley Gibbons:DE 1452 - AFA:DE 1511
