@rig, I suspect that the diameter of both coins will be slightly higher than mint spec as it looks like they both have been flattened somewhat. The little ear on the rim could have come from a similar, but more concentrated hit.
"If you climb a good tree, you get a push." -----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz