Lot 4255Postal Card, 1873, 1¢ brown on buff, watermarked Large U.S.P.O.D., uprated with 6¢ carmine (148) tied by "Brattleborough, Vt., Jun 18" cds duplex with segmented cork cancel to London, England, red "New York, Jun 19" exchange cds, bold red "London, Paid, 30 JU 73" arrival cds, neat message to a traveling couple asking them to "speak a good word to His Highness Emperor William" and "solicit an autograph from Prince Oscar of Sweden"; 6¢ corner crease.
Scott No. UX1 Estimate $3,000 - 4,000.
AN EXCEPTIONALLY RARE PRE-UPU POSTAL CARD USE AT THE LETTER RATE TO THE UNITED KINGDOM.
The U.S.-U.K. treaty was not amended to include a postal card rate and therefore they had to be prepaid at the letter rate until entry into the G.P.U.-U.P.U. on July 1, 1875.