56 folded letters ranging from 1800 to 1860 (with a heavy concentration on the 1840s and 1850s), wide variety of Philadelphia markings including red "Phila. 24Cts. Paid" octagon (Clarke 530a), various "24" handstamps including Clarke 581 and 582, and American and British Packet exchange datestamps (Clarke 601, 611, 613), in addition to a wealth of British markings, condition generally fine to very fine, close inspection required, an ideal lot for the specialist