1946 Air Mail cover from 'HMYBS 1018, HONG KONG' to Australia with POSTAGE FREE m/c. From 'G Hough, LT/KX 738120, HMBYMS 2018, Hong Kong'. This 110 ton Motor Minesweeper was constructed in the United states, with a crew of 30 she had one 3'' gun. The cover would have been carried by '300 Group RAF' via Staging Posts: Leyte - SP 195 etc. Ref: 223-023.