Mexico, 1914-15 Revolutionary Provisional Overprint Covers, collection of 34 covers with Revolutionary Provisional Overprints, included are Torreon, Tamazula, Monterrey, Isla del Carmen, Chihuahua, Sinaloa, Mazatlan, Culiacan, Juarez, San Luis Potosi, Queretaro, etc., wide range of frankings, auxiliary markings, officially sealed, etc.; condition varies, F.-V.F. overall. Estimate  $300 - 400. $0 (Image)