United States First Day Covers Stationery Airmail Postal Card ("UXC" numbers)
Sale No: 370
Lot No:329
Symbol:C
Cat No:UXC1
UXC1 4c Eagle in Flight Dorothy Knapp hand painted multicolor cachet. The 5th we have offered in over 40 years and one of the few Postal Cards ever produced by Knapp, rare! (Image)