Lot
977 
Philadelphia, Pa. National Export Slogan Cancel. Study group of well over 300 items mostly fronts; flag and Barry Machines, a few nice full covers including ads, includes rare slogan cancel #2 (Bomar type P99-08) on full cover and several fronts, and type P99-06 covers; worth review (no photo). Estimate $400 - 600.
Realized: $240