1932 Dornier DO-X $1.50 surcharge on $1, used (uncanceled) on cover from Holyrood to London, with German franking affixed at left and canceled by Dorner DO-X pmks, also red "America-Europa" cachet and Berlin arrival pmk. Also included unfranked card with appropriate markings, v.f. (Cat No. C12) (Image)

Est.US$1,000