Pan-American Railway Post Office, Buffalo N.Y., Jul 30 1901, strike of duplex on Pan-American Railway Post Office facing slip with blue crayon "Echo & L P City" destination designation, black "E. A. Holcombe" straightline handstamp; minor corner creases, F.-V.F., One of only 5 strikes on facing slips from the RPO car, this being one of three examples with the Holcombe handstamp. Bomar Nos. B01-03  Estimate $300 - 400. $0 (Image)