1. Shelley Coll 5_20 Reference (shelfmark): Shelley Coll 5_20 Title: The Spanish Civil War: The International Brigades (The Valencia Period) Scope & Content: (1) Cover postmarked 13 September 1937. To Mulhausen. EC I Postmark. (2) Cover postmarked 7 September 1937. From 47/44N to Prague, EC 2 postmark. Collection Area: Philatelic Collections Languages: English Date Range: 7 Sep 1937-13 Sep 1937 Extent: 1 Page; 2 Items