cover 1888 (Nov.) ½a. stationery envelope registered from Nusseerabad to Aden, bearing two additional 1a. (another adhesive removed and lower left corner of cover repaired), readdressed to Zaila and "Refused" there, readdressed back to Aden and thence back to India, showing a nice assembly of datestamps on reverse including the earliest known Zaila datestamp on cover (29.11.88) and the earleist known registered c.d.s. of Aden (21.11.88) as well as the rare "SHIP LETTER/POSTAGE DUE/ONE ANNA" segmented type, legible to superb strikes