Fascinating. So, can you explain a little about the hand hammering as it relates to an A? I assume you mean HH in reference to trans stamp era of the late 40s/50s. It certainly does not have the same hammering as a contemporary K would have. The bell looks more like 60s than 50s in my opinion so something started in the early 50s and finished in the 60s would make sense.I think you've got something special here. All hand hammered. As I understand it, from other people I've heard, in the mid to late 60's some well know players would ask for hand hammered (not cheap, I'd bet. During the Ringo era). It's possible they kept some HH's in the back not yet lathed. Anyone agree?