The Numbers Are In

The letter's back from the dating fellah, to allow the registration process on Newgate's Knocker to proceed. Frame's earlier than I thought, sure one of the interweb lists showed it as a number from 1951, ain't moaning though. The motor is early '54 which is excellent news as this clipping from the Jan '55 issue of the US mag Motorcyclist shows,

If they weren't released until March to the American press then early May is very early indeed.