Quote:
Originally Posted by s7horton
Well, that's mostly true. Not all of the Y series had the etching. My Y8XXX series sub never had one until it went in for replacement of the crystal. In which case it came back with an "S" in the coronet. I believe starting with the Y9XXXX serial numbers the etching was present. Atleast as far as the sub is concerned.
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You could be right. My wife's YM is a Y-8xxxxx, but has the etching.
JJ