Cover from Irún to Vitoria with censor mark and label, 1937
Reference: C07891
Irún postmark dated on December 14, 1937, censor mark Heller I11.2a and Cruzada contra el Frío label.
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Irún postmark dated on December 14, 1937, censor mark Heller I11.2a and Cruzada contra el Frío label.