1. Shelley Coll 3_13 Reference (shelfmark): Shelley Coll 3_13 Title: The Spanish Civil War: The International Brigades (XXth International Battalion) Scope & Content: Cover postmarked 30 April 1937. Cordoba to Switzerland. Mark of the 86th Brigade and International Brigade markings. Normal Valencia censor mark. Collection Area: Philatelic Collections Languages: English Date Range: 30 Apr 1937 Extent: 1 Page, 1 Item