Angelo, I don't think any of them are a D/S. The inside marks just don't seem to line up with the lower left and upper right that you've indicated. Chris
I told Paddy To sent it to Wexler $12.50 Could = $150-500.00 if not more. A new "Discovery" is hot for a while with Nickle collectors. this one has something other that D/D maybe not a S but could be Broken mint mark tamp used 1st