Lot
4123 E
Plimpton Envelope Co., 1877, 1¢ Red on Yellow Green Card, Essay, typographed "United States, Postal Card." in black on 130 x 76mm 25 f/4 smoky faint y-g-yellow opaque card; upper right corner crease, Fine, The only recorded example. Scott No. UX5E. USPCC No. S4E-Gc $300.
Realized: $200