Lot
4121 E
Plimpton Envelope Co., 1877, 1¢ Red on Light Buff Card, Essay, typographed "United States, Postal Card." in black on 130 x 76mm 17 f/2 dull faint o-yellow card, F.-V.F., The only recorded example. Scott No. UX5E. USPCC No. S4E-Ga $300.