The Spanish Civil War: The International Brigades (Forerunners- Battalion Martinez Barrio)
Scope & Content:
(1) Cover postmarked 28 January 1937. To Tangier. Mark of 'MILICIAS DE UNION REPUBLICANA/BATALLON MARTINEZ/BARRIO/PADILLA 21-MADRID.' Valencia meter mark. (2) Cover 11 February 1937. To Tangier. No stamps. Battalion mark, normal violet Valencia censor mark.
The Spanish Civil War: The International Brigades (Forerunners- Division Francisco Ascaso. Regimiento No. I Durruti)
Scope & Content:
(1) Cover postmarked 22 April 1937. To France. Red Valencia meter mark and no stamps. (2) Cover postmarked 19 June 1937. To France. Stamps cancelled by violet 'CORREO DE CAMPANA/ESTAFETA No. 31' Red standard Republican censor mark. Division Ascaso mark on back.
The Spanish Civil War: The International Brigades (Carried by hand)
Scope & Content:
Cover postmarked 16 July 1937. Madrid to Rhondda by hand. Probably carried by one of the many visitors to Spain. Arrived 4 August 1937. 'S'= Sanidad (Hospital).
The Spanish Civil War: The International Brigades (Those left behind)
Scope & Content:
Cover postmarked 12 January 1939. Barcelona (?) to Paris. No stamps (or they have been removed). Barcelona International Brigade meter mark and normal Republican censor mark. Paris back stamp.