Pan-American Railway Post Office, Buffalo N.Y., Aug 28 1901, clear and complete strike of duplex on Pan-American Railway Post Office facing slip pre-printed to Massachusetts, Very Fine and remarkable strike. Bomar Nos. B01-03  Estimate $500 - 750. THIS IS ONE OF THE FINEST STRIKES OF THIS R.P.O. MARKING AND ONE OF ONLY 5 STRIKES ON FACING SLIPS FROM THE RPO CAR. This marking is found usually poorly struck probably due to its larger size cds. $0 (Image)