Lot
600 
Panama, 1904, 10c orange, two registered uses with 10c Registry (F27) stamps on Official Business penalty mail envelopes, one on "U.S. Fisheries Steam Albatross" envelope to San Francisco Cal., other "War Department, Isthmian Canal Commission" envelope to Washington D.C.; former toned, F.-V.F. and scarce group. Scott No. 79 Estimate $300 - 400.
Realized: $300