COLLECTIBLE: INDIA, Used in Aden, 1855, 4a Black on Blue Glazed Paper (9; SG 35). Horizontal pair, trimmed perfs at bottom and left, cancelled by two strikes of barred "124" with "Aden DE 28, 1857" despatch datestamp on reverse of registered cover to Bombay, lightly struck red "Registered Letter" straightline and "Aden B.P.P. Paid" handstamps, manuscript rated "1/-", Bombay arrival backstamp, horizontal file fold well away from stamps, Fine and scarce, this is the earliest recorded example of registered mail from Aden, the 4a in stamps paid the registry fee while the postage was paid in cash, a practice which was acceptable under the 1855 Indian Post Office regulations. Ex Brown COLLECTIBLE: INDIA, Used in Aden, 1896 1a Official Entire. 1a entire with "On H.M.S." overprint, cancelled by "Khor-Maksar, Aden MY 18, 96" circular datestamp and addressed to Bombay, Aden, Aden Camp, and Sea Post transit and Bombay arrival backstamps, cover with slight toning, otherwise Fine and very rare, this is the earliest recorded cover from Khormaksar and only recorded example of this small date plug datestamp. Ex Graham and Brown