Note how the affected areas are really showing a reduction of the devices. (Note the top of the '9')
Note on a doubled die, that the devices are not just showing notching, but an enlargement of the devices:

Machine Doubling reduces the overall size of the normal devices as seen on your coin.
Note on a doubled die, that the devices are not just showing notching, but an enlargement of the devices:

Machine Doubling reduces the overall size of the normal devices as seen on your coin.
























