When we took over 'The Patch' about eight years ago, the shed was nearly derelict, and after a lot of TLC, we got it weatherproof, but the grass by the door was too long to mow, so I cut it with shears, and one day kicked at what I thought was a stone, but it turned out to be a fabulous pruning knife, with a bone handle and it was in perfect codition after a squirt of WD40!
It is so sharp I never seem to have to do anything to it too!
Mrs Growster gave me a larger version about thirty years ago, and it really is part of the furniture!