The Spanish Civil War: The International Brigades (FPO Markings)
Scope & Content:
(1) Circular FPO Mark on piece with date tablet across centre. EC No. 4 at top and 'B.I.' at base. (2) Cover postmarked 21 May 1938. EC No. 4 to France. Cancel in red, red registration mark of EC. No. 4 and 'AVION' mark. On the back large violet 'CORREO DE CAMPANA/B.I./BASE CAMBIO.'
The Spanish Civil War: The International Brigades (Postal codes)
Scope & Content:
Cover postmarked 21 November 1937. Czechoslovakia. Stamps cancelled by the 'S.C.C./III' of Albacete. On the back the 'Barcelona' period censor mark. The use of the S.C.C. marking at this period is very unusual.
(1) Cover postmarked 22 April 1938 through the International Brigade Mobile Post Office to Czechoslovakia. (2) Cover postmarked 30 April 1938 through a normal Republican Field Post Office to Czechoslovakia.
The Spanish Civil War: The International Brigades (The 'Kupperman' correspondence)
Scope & Content:
(1) Letter from Lou Kupperman in Barcelona to Miss Anne Levine dated 27 July 1938. (2) Associated cover. Plaza Altozono 415 to New York. Censor mark on back.
Cover postmarked 1 January 1937. Andujar, Jaen to Czechoslovakia. Oval violet 'SECTOR DE OPERACIONES DE CORDOBA/JEFATURA/DE/SANIDAD MILITAR.' Valencia meter mark.