1993 S Proof Set Punching

Dearborn thank you so much. here is another 1993 LMC . this is a different look for Lincoln.

That is Machine Doubling. Note on the EPU on the reverse, the devices are incuse. (below the surface of the coin) When Machine Doubling happens on the incuse devices they get wider. (Just the opposite of raised devices. And the doubled dies are actually smaller is size:

Note the differences on the images above. But that is the simple answer. (But best to do this on a different thread for each coin) But always here to help. You might check out my answers to questions before they are thought up yet on these pages of CoopHome. Click on that and you will find 16 pages of discussions in the past that help new ones advance faster. There are hundreds of post there with thousands of images of how to advance faster in coin knowledge. Start with the last page first and work backwards, as this information is always the most up date. Note it turned blue above? Just click on the blue words on the site and it will open pages of past discussions. Enjoy.