Lot 1048
B.F. Sturtevant's Patent Improved Hot Blast Apparatus, multicolor advertisement with gold leaf on reverse of 1¢ postal card (UX3), cancelled by partial "Boston Mass., Nov." duplex to Mifflinburg Pa., corner flaw, some edge wear and toning, Fine and attractive. Scott No. UX3.Estimate $200 - 300.
Realized: $260