Lot
967 
Phila. Pa., Exposition Sta., Sep 29, 99, fairly clear Expo. Station Duplex Number "1" (Bomar P99-01) tying 1¢ green on National Export Exposition private mail view post card to Pawtucket, R.I., Very Fine, a very rare National Export Exposition postmark, with only 3 examples recorded. Estimate $400 - 600.