H. T. Crofoot's Letter Office, Newburyport (Mass.). Red oval handstamp and matching framed "P (Image)

E. $ 200-300

Livingston, Wells & Pomeroy. Six covers, five are folded letters, most with manuscript expres (Image)

E. $ 400-500

Pomeroy's Letter Express, (5c) Black on Yellow Surface-Colored Paper, Value Incomplete (117L2). (Image)

E. $ 1,500-2,000

Pomeroy's Letter Express, 5c Blue on Thin Bond (117L3). Horizontal pair, large to huge margin (Image)

E. $ 1,500-2,000

Pomeroy's Letter Express, 5c Deep Milky Blue on Pelure Paper (117L7). Complete left pane of 2 (Image)

E. $ 2,000-3,000

Pomeroy's Letter Express, 5c Black on Yellow, 5c Black on Thin Bond (117L1, 117L4). Four-marg (Image)

E. $ 750-1,000

Important Collection of Pomeroy's Letter Express. The Sloane collection with additions and no

E. $ 3,000-4,000