Panama, 1856, 1858 "Ramon Leon Sanchez, Cartagena. N.G.", red forwarder handstamp on two folded letters from the Lanman & Kemp correspondence to New York City; 1858 (Jul. 19) Barranquilla with additional red "Forwarded by C.J. Fox, Aspinwall N.G." oval handstamp and sent privately to New York; second 1856 (Dec. 25) Cartagena with "Steamship 10" and "Steamship 20" circular due handstamps, Very Fine and choice pair. Estimate  $200 - 300. $0 (Image)