Airmail cover with mark "HISMA Ltda / CARRANZA Y BERNHARDT / MELILLA" to Hamburg. Melila postmark of August 5, 1937 and censor mark Heller M48.4. Stamps on the back.
Postal History of the German intervention in the Spanish civil war
There are 3 products.
Cover with letterhead "HISMA Ltda / CARRANZA & BERNHARDT / BURGOS / CALLE PALOMA, 8, 2º". Burgos postmark dated on January 10, 1937.
Airmail cover from Burgos to Max Teintze in Berlin, from the German agent Alexander Kröger, HISMA Ltda. Burgos postmark of June 28, 1938 and censor mark Heller B92.8.