ADEN CAMP 19 MY 07, India used abroad, ½ A on reverse of almost complete cover to Muscat, only small corner is missing, indorsed as shipmail "Per SS. Caledonia", arrival Muscat 27.MY.07
6; Übersee A-Z; ADEN; Markenausgaben
6; Overseas A-Z; ADEN; Stamp issues