cover 1911 (10 Dec.) picture postcard of the Deutschland to Germany, bearing 1904-11 1d. lightly cancelled with SG.1 c.d.s. and "DEUTSCHE/SUDPOLAR EXPEDITION" label in red (defective) cancelled by "Polarschiff Deutschland/Sud-Georgian/Grytviken/10 Dezember 1911" four-line cachet in violet, signed on the picture side by members of the Expedition; heavy crease through the label and other faults