Note the affected areas are on the outsides of the devices. Flat looking, reducing the contour of the coin reducing the devices. On a doubled die the devices would be enlarged:

Note how they would look? Distorted and enlarged.

Note how they would look? Distorted and enlarged.
Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings
trail dies:http://www.traildies.com/
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings
trail dies:http://www.traildies.com/