Persian Gulf. (Qatar). 1960. Registered Air Mail envelope addressed to Alsouk Al Kabeer, Aden bearing Qatar SG 9, 40n.p. on 6d purple (2) tied by oval Registered/ Umm Said, Qatar date stamp '3rd Feb 60' with matching registration label and Aden receiver. Very nice item from Umm Said sent registered mail to Aden, Persian Gulf.