It is
Machine Doubling from a high bounce after the strike. On a low bounce, the lower part of the devices can be affected. (Sometimes even level with the field):
_MD_AAG.jpg)
White arrows are MD, the red arrows are part of the doubled die. Yes,
Machine Doubling can affect doubled dies as well.

Sometimes a half way up they can be affected:

Sometimes on the high bounce just the tops of the devices area affected:

Some get
Machine Doubling during ejection of the coin that affects just one two two devices:

But all are just
Machine Doubling. But no premium for these as they are not doubled dies, just strikes that altered the devices on the coin, after the strike. (damaging the coins devices)
Edited by coop
08/19/2019 12:22 pm