Spain. Spanish Republic Registered Mail
Automatically generated translation
|ENVELOPE| 688(4), 673(2). 1938. 50 cts blue, four stamps and 1 pt slate, two stamps (one with original defect). Certificate from MADRID to ZURICH (SWITZERLAND). On the front label EXPRES SANS TAXE and on the back LE BOORGET PORT AERIEN transit and arrival. NICE.