Lot
4127 S
1875, 1¢ Black on Buff, Production Specimen, unwatermarked, clear strike of blue "U.S. Postal Card Ag'cy. Springfield Mass., Sep. 17, 1875" double-oval datestamp over indicia, Very Fine. Scott No. UX5PS. USPCC No. S4PSa $300.
September 17th 1875 was the first day of production of the 1875 postal card by contractor Morgan Envelope Company.