1. Crop the picture so that only the penny is showing.
2. Enlarge it enough for us to see the detail (use a graphics editor or the free one that comes with Windows)
3. Save the jpeg so it's a file size 500k or less.
Your pictures are too small to make out details. Please crop them, enlarge them, and save at a quality setting that will fit into the 500k allowed here.
I think that's an optical illusion, caused by the fact the upright of the orb appears to be bending to the right (wear?) - without that the orb is dead centre.
Which Dunkerton was Dennis? I bought coins from Windsor Coins in the late 70s and the Dunkerton who ran that wrote beautifully neat card enclosures for what he sold.