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micoin's Last 20 Posts
| How Would You Grade This 1931 S Lincon Penny?
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micoin
Valued Member
United States
56 Posts |
 Posted 03/25/2025 11:31 am
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| I intend later to take some decent pictures, when I get my new microscope, but I didn't have decent lighting now on my old microscope, and I would like to learn how to use the picture taking capabilities of a microscope, so I just snapped this sample as a warmup, more will come later, and your definitely right about the chatter marks |
| | Forum: US Modern Coin Grading |
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| What Plastic Is Least Or Not Harmful?
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micoin
Valued Member
United States
56 Posts |
Posted 03/22/2025 5:45 pm
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| then my previous idea for the holder won't be good as the cases I was looking at are 100 mic thick with is 0.0001" thick and that's not rigid enough to hold the nickel securely maybe I should get a sheet of Acrylic plastic or one of the other suitable inert plastics .020 or .030 thick and build my own cases as I've got a pro heat sealing machine I got on eBay, so, back to my original question I wonder if the PVC holder will react touching the acrylic or other inert plastic I chose and cause the inertness to disappear over time? |
| | Forum: Supplies, Books, Reference, Software, etc |
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| What Plastic Is Least Or Not Harmful?
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micoin
Valued Member
United States
56 Posts |
Posted 03/21/2025 10:14 pm
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| I was thinking about the putting the proofs in archival polyester coin store pockets that are 50 x50 mm and sealing them some way and then putting the holders in Coin Flip Holder Albums - 120 Pockets 2x2 Coin Flips Coin Storage Books for Coin and I wonder if the PVC holder will react touching the archival polyester pockets and cause problems is that feasible? |
| | Forum: Supplies, Books, Reference, Software, etc |
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| How Do You Clean Proof Nickels With Acetone?
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micoin
Valued Member
United States
56 Posts |
Posted 03/20/2025 04:11 am
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I know now not to use nail polish remover I bought on Amazon that says in big letters - 100% pure acetone - and in tiny letters on the bottle that I never bothered to read -Ingredients': Acetone, Denatonium Benzoate
Unfortunately this is just another OOP's in a long line of them  |
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