Here here Tankie............. Never stamped but engraved. As a matter of interest Tankie, do you ever remember ring punching the TMH axis pin hole. I mean........ It must have been a 'tiffy' who invented that bodge. He never realised that if it'd already worn oversize once, then thinning the steel down will ensure that it wears out even quicker the next time!
(A 'tiffy' is an artificer...... don't even bother to ask me why some of them got this title! and a 'bodge' is a REME technical term that yuou wild colonials and antipodeans call a 'bubba')

One of the civvy Armourers at Sterling came up with a brilliant solution that was a permanent FIX. I sat on the panel to assess it. It passed with flying colours but then.................