Spain. Spanish Republic Airmail

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English 666(3), 673, 682(2). 1937. 20 violet cts, three seals, 1 slate pts and 10 green cts, pair. Air Certificate from BARCELONA to WOHLEN (SWITZERLAND). On the front it marks the DEPARTMENT OF DEFENSE / GENERALITAT / DE CATALUNYA / CENSURA DE GUERRA, on the back arrival. MAGNIFICENT.

Price 50€