1974 D Quarter Doubled Die? Or?

This is classic Machine Doubling. Seen often on quarters and larger coins on the top or bottom devices on the reverses. This is not hub doubling. This is caused by the striking of the coin right after the strike happened. If it were a doubled die, the devices would be enlarged not reduced:

Note the top image is a normal quarter, the lower image is showing the enlargement of the devices. What is the differences? Note the affected areas. On the doubled die, you can see a a spread on the devices. On the Machine Doubling examples you see a reduction on one side of the devices. The doubled die had the doubling on the die. On Machine Doubling it is caused by the machine. A side by side of the differences on a cent:

On the left, Machine Doubling. On the Right a doubled die. See the differences?