Wooden handled curve bladed knife
Overall length approximately 28cm (blade 14cm).  The cutting edge is to the top with a blunt lower edge and rounded end
Leather scabbard
The blade is marked HARRISON FISHER & Co LTD SHEFFIELD ENG with Air Ministry, crown and 1939 date code
 
Carried and used by aircrews as a quick method of harness removal in emergency situations
 
Used condition  - see pictures 
 
Over 18 only - you will need ID to buy this item