I was doing some searching the other day and came across this website. If you are looking for some info on the 20 cent piece or just want to do some reading on the coin type I suggest that you bookmark the page for reading and reference. I still haven't been thru all the pages. Double Dimes -- The United States Twenty-cent Piece
I guess I can drop this here... as you may know, PL double dimes are incredibly scarce. 20 cent pieces in general are rare, but they aren't widely collected. NGC has certified 10,536 of them in all grades. Of those, only 17 have earned the PL designation. So, I present to you the 1876 NGC MS-63PL, Rev. Dr. James G. K. McClure specimen:
