1. Philatelic 63/1/17 Reference (shelfmark): Philatelic 63/1/17 Title: The Spanish Civil War, the International Brigades: Forerunners- P.S.U.C. Scope & Content: 1. Cover 14 August 1936 with a P.S.U.C. cachet in red. 2. Postcard, date not discernible, with a P.S.U.C. cachet in blue. Collection Area: Philatelic Collections Languages: English Date Range: Aug 1936 Extent: 1 Page; 2 Items