Here are a few topic on the CoopHome Page you might enjoy:
Can grease prevent a full strike? yes. it leaves missing areas of design, prevents tops of devices, making the devices look wider
http://goccf.com/t/430949#3704685
What is the difference between Grease Fill on a die and die polishing? grease widens devices, polishing reduces the side of the devices
http://goccf.com/t/429741#3693005
Why do Struck Through Grease errors make the devices wider? grease prevents the deepest devices from being struck
http://goccf.com/t/430473#3700423
Can grease prevent a full strike? yes. it leaves missing areas of design, prevents tops of devices, making the devices look wider
http://goccf.com/t/430949#3704685
What is the difference between Grease Fill on a die and die polishing? grease widens devices, polishing reduces the side of the devices
http://goccf.com/t/429741#3693005
Why do Struck Through Grease errors make the devices wider? grease prevents the deepest devices from being struck
http://goccf.com/t/430473#3700423
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/