Persian Gulf. (Muscat/Madagascar). 1917. Registered, Advice of Receipt envelope headed "Abdoulhoussen Salemandjee Sam, Majunga, Madagascar" addressed to Maskate, Arabie' bearing French Colonies, Madagascar Yvert 101, 25c blue and grey (2) tied by Majunga/Madagascar double ring '31st Aug' with framed hand-struck 'R' and boxed 'A.R.' routed via India with circular 'Passed Censor/21/Bombay' on face and Port Said and Port Tauffio transits on reverse '19th Sept' with Muscat arrival '11th Oct' tied too Crown/Opened by Censor' . Avery rare item of censored mail from Muscat with exceedingly scarce origin. Unique exhibition item.