Seal within another Seal - Postal and telecommunications conference.

Sello dentro de otro Sello - Conferencia de Correo y telecomunicaciones.
OwnerHerman Cudris Castañeda
ObservationsHungarian stamp (minr 999) - Michel:MN 782, Yvert et Tellier:MN PA42, Stamp Number:MN C40, Staley giggons:MN 757
CountryMongolia
Face value30 möngö
Year1973
StateNew
StatusExhibition - Non-transferable
CategoryCommemorations
FormatDiamond
Colormulticolor.
Other informationPerforated stamp Air mail
visualizations145