I don't know, when I looked at it it looked fine to me. But then, a lot of things look fine to me by the fourth or fifth beer!
It's complicated but I just eyeball it. ICG does not put the percent on off-centers. Someone can check the other services. How To Calculate Percent Off Center? Discussion in 'Error Coins' started by Hobo, May 7, 2012. Watch Thread Page 1 of 2 12Next >
I take the diameter of the planchet, and then measure how much of the UNSTRUCK portion there is - that's the % of O/C. It's not how much of the design shows, it's how much of the planchet is blank. It's fairly easy to do, and it's within a few % points of exactness.