1957 (Oct) Forces Air Mail cover from BAHRAIN to GB with s/r. FPO 941 p/m. and 'BAHRAIN 20 NP overprint. From '1st Cameronians (SR), HQ Coy, MELF, BFPO 63'. In August 1957 a small force, comprising Cameronians and members of the Special Air Service, retook the town of Nizwa. Muscat and Oman Rebellion. Ref: 206-140.