Actually, neither. It is die wear. Note how the affected areas look.
1. They mimic the design, but are distorted as die wear flows towards the rim direction.
2. Note the field areas. They are also showing die wear.
If it were Machine Doubling, it would be flat. If it were a doubled die, then the affected areas would be raised and rounded, not distorted. Here is an example:












CoopHome 1960 PR Nickel WDDR-038






1. They mimic the design, but are distorted as die wear flows towards the rim direction.
2. Note the field areas. They are also showing die wear.
If it were Machine Doubling, it would be flat. If it were a doubled die, then the affected areas would be raised and rounded, not distorted. Here is an example:












CoopHome 1960 PR Nickel WDDR-038


































