Nationalist Postal History of the Spanish Civil War
Cover from Bobadilla to Seville franked with block of Republican Edifil 657. Unlisted censor mark “Comandancia militar de” and “Censura” handwritten after it. Stamps cancellation being “Bobadilla” handwritten across the block. Very rare.
CTV, Division Flechas Negras cover to Palermo, with Ufficio Postale Speciale 8, dated March 3, 1938, with Frecce Nere mark, and Italian tax mark and stamp. Palermo arrival backstamp and letterhead on the back "Agredir para Vencer / División de Asalto / Flechas Negras / Oficiales". Rare.
Condor Legion cover to Dresden sent through the German embassy via Berlin, where it was franked with a 12p German stamp to disguise its Spanish origin. Extremely rare piece. The sender, Kurt Boye, belonged to the 8th Battery of Flak Abteilung (8./F88, anti aircraft artillery).