Zouave with Union flag and bayonet envelope Image: A zouave, dressed in a red and blue uniform, holds a Union flag in his right hand and a bayonet in his left hand. Provenance: McAllister, John A. (John Allister), 1822-1896, collector 1861-1865 Patriotic envelopes 1860-1870 1 envelope; 8 x 14 cm. (3 x 3.5 in.) digitool:37535 Male Designs - Male Holding Flag, with Flag Pointing to Right. Envelope M-R-72 William R. Weiss. The catalog of Union Civil War patriotic covers (Bethleham, Pa.: William R. Weiss, 1995). Part of Civil War Envelope Collection United States -- History -- Civil War, 1861-1865.