cover Union Ship Covers, five covers, four franked with 3c Rose (65), other stampless, covers incl. 'U.S. Ship' straight line h.s., two written from the 'U.S.S. Octavia, Mobile Bay' (one is stampless), another addressed to steamer in 'S.A. Blockading Squadron', another with State of R.I. corner card addressed to 'U.S. Frigate New Ironsides', couple slightly reduced, very good-fine lot