Children's Society of the World - Children's Art Competition-Sponsored by UNESCO.

Sociedad Infantil del Mundo - Concurso de Arte Infantil-Patrocinado por la Unesco.
OwnerHerman Cudris Castaņeda
ObservationsStamps issued in 1958 and expired in 1993 - Codes: Michel:Cs 1106 - Stamp Number:CS 887 - Yvert et tellier:CS 989 - Stanley Gibbons:CS 1063 - AFA:CE 951 - POF:CS 1023 .- Un:CS 1106
CountryCzechoslovakia
Face value30 halir.
Year1958
StateUsed
StatusExhibition - Non-transferable
CategoryEvents
FormatVertical
Colormulticolor
Other informationPerforated stamp Air mail
visualizations129