Philippines, Postal Card, 1906, 1¢ McKinley postal card. Addressed to Yokohama, Japan, uprated with 1903-04, 1¢ blue green tied by "Manila, P.I., Aug 24" cds and duplex killer, transit and receiving postmarks on face, reverse with sender notation "P.S. - This card is the only used in the U.S. Domestic Mail Service", Very Fine and rare. Scott No. UX7+226  Estimate $150 - 200. $0 (Image)