So half of the letters are upright half are upside down on the edge of the coin. I know the Paris mint was experimenting with edge lettering for the first time... watch the video. https://www.cooperscoins.com/produc...n-dh76-error-edge?_pos=1&_sid=de9e9bb0d&_ss=r
Attribution is correct, and the edge inscription is correct, most likely was run through the Castaining machine twice with the blank flipped over between passes.
