cover -- #1 dull purple and black on red, tied by oval "REGISTERED/GIBRALTAR" d.s. on 1913 (16 May) XU5 registered to Germany, fine. Photo

细节
cover -- #1 dull purple and black on red, tied by oval "REGISTERED/GIBRALTAR" d.s. on 1913 (16 May) XU5 registered to Germany, fine. Photo