cover Covers, 1800-1914, 39 items, 35 are postally used covers, three free franks incl. W. P. Fressenden and James G. Blaine, no. 24 on abolition book order form, 2c War (O115) 'O.R.R.' (Official Records of Rebellion) cover, covers written to famous Americans (Robert Morris, William Seward, Jefferson Davis, etc.), covers with Civil War military addresses, couple Confederate War Veterans corner card covers, 1887 'Executive Mansion' cover, overall gray-lined N.Y. Times (Newspaper) ad cover, covers with Union military imprints or corner cards, Md. Senate illustrated corner card cover, etc., very mixed condition, good-very fine lot