A Thames Conservancy peaked officer's cap with a detachable summer cover.
Made by Monnery's Ltd.
A black serge peaked cap (size 6 7/8) lined in blue, with a brown leather inner band and a hard black shiny peak, green underneath. There is a red diamond-shaped retailers label inside. The detachable summer cover is made from white cloth with an elasticated edge.
Thames Conservancy booklet entitled "The Thames Launch Byelaws, 1952", price one shilling.
A 12 page folded paper booklet with light blue heavy paper cover, staple bound.
Printed by Harrison & Sons Ltd of London and High Wycombe, 1953.