1996 (Lincoln Memorial Cent / LMC ) Date & Mintmark Concave D & 6

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Author	Replies: 8 / Views: 952
MrBill Valued Member United States 73 Posts	Posted 10/27/2018 11:30 pm * Edited by Staff to Add Year / Mintmark / Denomination to Title. Titles are Important! * Experimenting with new Celestron USB microscope & lighting. Noticed what appears to be concave surface on the digit 6 and D mintmark. I have not noticed this in pictures of other coins. Is this normal, a variety or an issue with my lighting? Report this Post to the Staff

John1 Moderator United States 56855 Posts	Posted 10/28/2018 04:44 am to CCF. You do have a bit too much light,but I see DDD. The concave is somewhat common on the zincolns,but I forget what causes it. Not an error or a variety and most don't keep them. Wait for a pro to chime in with more info. John1 Report this Post to the Staff
Dorado Bedrock of the Community Canada 24885 Posts	Posted 10/28/2018 05:06 am To the Forum. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 10/28/2018 07:59 am Incuse marks are most often damage to the coin. Circulation flattened. Not an error, just coin contact. This also happens after the strike. Coins falling/touching/alteration just being in the bins they're shipped in. We are looking at them with microscopes. They are in the business of making coinage. Just very light PSD. Report this Post to the Staff
MrBill Valued Member United States 73 Posts	Posted 10/28/2018 09:14 am THANKS for the Welcomes and quick responses. I'll checkout coop's videos asap. Re lighting, I'm working on a setup described in "The USB microscope modification thread", installed a longer stand/scope rod and bought 2 Jansjo lamps. I'll add diffusers for the lights. Reading various posts it's clear lighting is key & challenging. As I'm new to variety/error hunting, I realize there is a lot to learn especially to be able to know the difference between true variety/errors vs. marks etc. from circulation etc. Thanks again!! Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 10/28/2018 12:39 pm Well check the site that attribute doubled dies and RPM to see what to look for. Know what to look for helps speed up the process. (1) The new collector will often show us damaged coins first. Then realizes that what they are from conversations here. (2)Then for a few months he starts showing us Machine Doubling thinking it is a doubled die. (3) Eventually he finds a doubled die, then realizes where/what to look for varieties. Then starts looking at the sites that show images and markers. Then starts finding more real varieties. Just what I notice going on here. So look at the sites first to get to know more about what to look for. You'll save your self a lot of time. Report this Post to the Staff
MrBill Valued Member United States 73 Posts	Posted 10/28/2018 2:04 pm Yikes, as a newbie, I had no idea that there are so many different "varieties", some of value and many with no value!! For now I'll probably set aside any coins that appear to me to have some type of variety while I continue reading/learning. Hope I can get to the point of being able to identify as coop stated "real varieties" without getting lost in what I call "analysis paralysis" (smile)!! I guess I should ask a key question? With so many collectors picking through coins in circulation, is it still reasonable to expect to find "real varieties", of course with time/effort? Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 10/28/2018 3:21 pm Depending on your areas. If you find a lot in circulation, you might assume that there are few collectors in your area. In larger cities, I find they are pretty well picked through. Just depends on how many collectors have gone through what you are looking at. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 10/28/2018 8:14 pm Quote: With so many collectors picking through coins in circulation, is it still reasonable to expect to find "real varieties", of course with time/effort? It may create the impression that there are a huge number of people searching circulation coinage for varieties, but it is actually very very small. Only about .33% of the populations are collectors, and probably less than 10% of those are actively search circulation coins for varieties so .03% of the population. And there are a LOT of coins out there. Report this Post to the Staff
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1996 (Lmc) Date & Mintmark Concave D & 6