look at the "born on date" that is located on the slide behind the ejection port and just above the extractor. There should be an oval w/ an inspector's stamp and a two digit number, say for instance, on my p01 it shows(06) meaning 2006.
Should be a year stamp on the right side above the extractor.
It's not a short rail 75, so not quite one of the originals, but its a pre-B, so it's close.
Appears to be "82" from the picture I took of my lovelies. Make sense?
Yup. That would make it one of the early Pre-B models, that started around 1980-ish. Yours appears to be in very nice condition.
Here's what the original grips look like
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And the date stamp is here
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Looks better with the Original Grip. You found a very nice pistol. MINT! How much did you pay for this one?



























