It's Machine Doubling, no doubt about it.
The MD-1-O-II is master die doubling, which means a large number of the coins of that year will exhibit the doubling. Specifically, the doubling on the master die is a little extra horizontal along the top of the 7 and a little separation on the outer edge of the 3. Very common and not worth any premium value.
The MD-1-O-II is master die doubling, which means a large number of the coins of that year will exhibit the doubling. Specifically, the doubling on the master die is a little extra horizontal along the top of the 7 and a little separation on the outer edge of the 3. Very common and not worth any premium value.





















