Welcome to the fold Don! The #1 frame 12s are very nice handling guns. It well could have set in inventory that long. You mention wall thickness at the muzzle, but checking it elsewhere along the bore is worth the time if you have a smith in the area who has a gauge.
If you go to the "Go Advanced" tab below, you will see a clip icon, which will bring up the section to load photos from., Or you can use the insert image icon above.
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Keavin Nelson
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