I thought the proof coins were struck twice, on special planchets and with more pressure.
I think they were generous on the XF 40. There is a lot of wear on the reverse. Not that it isn't a great coin, but I think even VF 30 is max....
Sal's photo is the one I was looking at and wasn't able to upload. While the 52 D over S is slight looking that tail piece underneath the D is...
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