Aden. (Shihr & Mukalla). 1955. Registered envelope addressed to Gheil Bawazir, via Mukalla bearing Shihr & Mukalla SG 21, 10c on 2a sepias and SG 22, 15c on 2 1/2a blue tied by bilingual Reidat Abdul Wadud date stamp 'My 3rd 55' with framed 'R/ Reidat Abdul Wadul/ No' hand-stamp on face with Mukalla/ Reg transit on reverse. Very fine and scarce the boxed registered hand-stamp not listed by Proud.