British WWII-era Admiralty Pattern Royal Navy seaman’s clasp knife, a practical naval utility tool issued to sailors of the Royal Navy during the Second World War. This pattern reflects the standard equipment carried by seamen for everyday shipboard tasks and emergency use.
The knife features a folding blade with a marlin spike on the opposing side, the latter designed for rope work such as splicing, knot loosening, and general rigging duties. The blade is of robust construction, suited to cutting tasks, while the marlin spike is essential for handling the heavy cordage commonly used aboard naval vessels. This example includes a lanyard ring for secure attachment.
Handles are constructed from a metal alloy material, with chequered surfaces to provide a secure grip in wet or slippery conditions. Admiralty pattern knives emphasise functionality and durability, with simple, utilitarian construction appropriate for demanding maritime environments.
Clasp knives of this type were widely issued and used throughout the war, forming an essential part of a sailor’s kit. Their association with naval life, seamanship, and wartime service makes them a popular item within maritime and military collecting.
Manufactured to Admiralty specifications, these knives represent a classic example of British naval equipment from the WWII period. They are collected for their practicality, historical significance, and connection to everyday life in the Royal Navy.
Dimensions
Approx. 125mm closed length
Condition
Good overall condition, with signs of age and service use. The blade shows surface wear and light sharpening marks consistent with use. The marlin spike remains functional. Handles are intact. No major damage or repairs are evident.























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