Lot
4119 E
Plimpton Envelope Co., 1877, 1¢ Deep Blue on Yellow Green, Essay, typographed "United States, Postal Card" in black on 130 x 76mm 25 g/4 smoky v. faint y-g-yellow semi-opaque card, F.-V.F., The only recorded example of this color. Scott No. UX5E. USPCC No. S4E-Ff $300.
Realized: $260