Canal zone - postal stationery: 1924/1978, balance of apprx. 415 (almost exclusi
Canal zone - postal stationery
1924/1978, balance of apprx. 415 (almost exclusively unused) stationeries (280 envelopes and 135 cards), partly showing some specialisation to UPSS, comprising e.g. U12 (2), UC2, etc.
Condition: postal stationery