Herman Cudris Castañeda

I Congress of Electronic Calculation - Centennial, 1867 to 1967 ¨National University¨ - Mate Symbols

I Congreso de Cálculo Electrónico - Centenario, 1867 al 1967 ¨Universidad Nacional¨ - Símbolos Mate
OwnerHerman Cudris Castañeda
ObservationsMi:Col.1140, Sn:Col.C510, Yt:Col.PA491, Lt:Col.1174.
CountryColombia
Face value0,20 Ctvs.
Year1968
StateUsed
StatusExhibition - Non-transferable
CategoryCommemorations
FormatVertical
ColorVarios colores
PrinterTomas de la Rue & Co.Ltda.
Other informationPerforated stamp Air mail
visualizations460