hi all. i have this knife .all 3 blades are stamped. j w parkes & sons perfect . does any one have any information on this maker. i have tried to research. but could not find any thing about this maker.its fairly old i think .double spring back main blade . pen blade. file blade .long nail nicks. mother of pearl scales.nickel bolsters, brass liners. dog leg serpentine style. 85 mm long closed.