I Congreso de Cálculo Electrónico - Centenario, 1867 al 1967 ¨Universidad Nacional¨ - Símbolos Mate

 I Congreso de Cálculo Electrónico - Centenario, 1867 al 1967 ¨Universidad Nacional¨ - Símbolos Mate

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

Mi:Col.1140, Sn:Col.C510, Yt:Col.PA491, Lt:Col.1174. Tiraje de 5.000.000 sellos postales.

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