Originally Posted by Drew Hause
Yep. Lot's more fun smile

MAXm confirms 1896-1904
Birmingham date code 'T B' - 1968
London Proof 2017
Bore 13/1 = .719" - .728", then .729", then 18.7 mm = .736"

Do you think that's a "T" rather than an "M?"

Are we're thinking three trips to the proof house?

You're the 2nd one to mention that.