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Amount Of Light To Inspect Coins Under

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Valued Member
United States
52 Posts
 Posted 08/15/2023  12:11 pm  Show Profile   Bookmark this reply Add Cud to your friends list
Here's a quarter I think is a good example cause they are the worst at reflecting light and a pretty decent penny. None of the flaws on either are visible with a naked eye and the quarter has incredible shine and luster and the penny too. Only when I put my readers on can I start to see scratches then I definitely see them with readers + the loupe. All I have to take pics with is a crappy cell camera and they aren't really that good but hopefully you can see what I mean by how lighting effects image.
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Amount-Of-Light-To-Inspect-Coins-Under
Amount-Of-Light-To-Inspect-Coins-Under
Valued Member
United States
52 Posts
 Posted 08/15/2023  12:13 pm  Show Profile   Bookmark this reply Add Cud to your friends list
And that's lint hanging off the L on the quarter
Valued Member
United States
52 Posts
 Posted 08/15/2023  12:26 pm  Show Profile   Bookmark this reply Add Cud to your friends list
Jacrispies if you have a way to find out what light the graders use that'd be great thanks!
Valued Member
United States
52 Posts
 Posted 08/15/2023  4:39 pm  Show Profile   Bookmark this reply Add Cud to your friends list
Here's another example of a coin I have plus the link yo PCGS page with pic. In my opinion my coin is at least the same condition as the 67+ they have and I think probably closer to the 68s. The 68s have nicks and scratches all over them and I think it's just a lighting issue.

https://www.PCGS.com/coinfacts/coin...4-p-25c/5936


Amount-Of-Light-To-Inspect-Coins-Under
Amount-Of-Light-To-Inspect-Coins-Under
Pillar of the Community
United States
3207 Posts
 Posted 08/15/2023  5:36 pm  Show Profile   Bookmark this reply Add nick10 to your friends list
natural light will give the truest color, for eye safety be wary of bluish LEDs since long term viewing is known to lead to cataracts
Valued Member
United States
52 Posts
 Posted 08/15/2023  7:08 pm  Show Profile   Bookmark this reply Add Cud to your friends list
Thanks Nick I didn't know about the led!
Pillar of the Community
United States
2282 Posts
 Posted 08/15/2023  7:19 pm  Show Profile   Bookmark this reply Add NumismaticsFTW to your friends list
So far I see nothing worth grading.

Developing your eye can take years.

Keep studying and ask us any further questions.
You realize when you know how to think, it empowers you far beyond those who know only what to think.

-Neil deGrasse Tyson
Edited by NumismaticsFTW
08/15/2023 7:21 pm
Valued Member
United States
52 Posts
 Posted 08/16/2023  01:50 am  Show Profile   Bookmark this reply Add Cud to your friends list
Well FTW thanks for the feedback I do appreciate! The pics do no justice. In reality they are a lot nicer but that's what happens when you combine bad lighting a crappy camera and then compress a 2MB file into 300KB.
Out of curiosity and just for *** Edited by Staff - The bad word filter is in place for a reason. Bypassing the filter and making the intended word obvious anyway is completely unacceptable. ***n giggles do you or someone else here have a picture of a quarter you know is a 68 to upload for comparison?

Thanks all!
Pillar of the Community
United States
3848 Posts
 Posted 08/16/2023  10:22 am  Show Profile   Bookmark this reply Add jacrispies to your friends list
It would be significantly easier to google an MS-68 quarter instead of asking people to post a photo for you. Learn how to grade confidently for yourself. Do not submit coins as a lottery game and hope the grade comes back what you want.
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Valued Member
United States
52 Posts
 Posted 08/16/2023  3:16 pm  Show Profile   Bookmark this reply Add Cud to your friends list
I hear ya! Ive googled and googled and after going through 20k coins think I'm getting the hang of it. My request was more to gauge how bad my set up is by seeing a coin from someone else's lights/camera. The pics I posted look like crap and I just wanted to see for comparison if everyone's uploaded pics are like that or just mine ;)
Pillar of the Community
Portugal
674 Posts
 Posted 08/16/2023  6:15 pm  Show Profile   Bookmark this reply Add jecz79 to your friends list
I do not know how they do it but I am suspecting that they use a camera streaming video to a large monitor, and move the light. It is how I would try to do it if I wanted to spend on equipment. But I find this 0-70 grading hard to understand. It takes into account brightness of the coin also. Luster?

You can check for wear or damage without special equipment. Get some strong light hitting the coin sideways. Rotate the coin in that light and watch for light reflecting off tiny scratches. Worn spots are noticeable in natural sunlight that way. The color of the surface there will be different because light will not reflect the same way.
Pillar of the Community
United States
2004 Posts
 Posted 08/16/2023  6:31 pm  Show Profile   Bookmark this reply Add MisterT to your friends list
Grading is subjective and not a fixed science. Grading uncirculated coins can be even harder than grading wear on circulated coins. I recommend a book by James Halperin "How to Grade U.S. Coins" which pertains to uncirculated and proof coins. The book shows the high points of each design so you can determine if there is wear on those areas and thus NOT uncirculated. Then it shows you the worst areas to have imperfections, scratches, bagmarks, etc... It explains a formula for determining grade based upon surface preservation (40% of grade), strike (20% of grade), Luster (20% of grade), and overall eye appeal (20% of grade). From the images you posted I don't see anywhere near a MS-67 or 68 grade.
Valued Member
United States
52 Posts
 Posted 08/18/2023  12:56 am  Show Profile   Bookmark this reply Add Cud to your friends list
Thank you Mr. T I'll look for it.
Valued Member
United States
97 Posts
 Posted 09/01/2023  2:36 pm  Show Profile   Bookmark this reply Add afewmorecents to your friends list
Dear Cud,

In my humble opinion, the chance of getting any of the dates, types of coins you posted being graded MS-68 is virtually zero. That's because if you can easily see one or two "hits" on a coin it is probably a fail because there will be plenty more at 4X-5X magnification. I can understand your desire to pull a coin from the bank roll that is worth hundreds of dollars but I assure you that desire pays the light bill at the grading services.

As for lighting, most graders use a 100 watt light bulb in a dark room. Knowing how to examine a coin correctly is more important than the lighting. If you do not tip and rotate the coin under the light you will miss things. I believe a very famous professional grader, J.P. Martin, coined the phrase "making the coin light dynamic." Fluorescent light is best used to detect the loss of original surface on a coin's high points. For that reason alone, only one professional numismatist, Mike Fazzari, recommends using it in addition to incandescent light.
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United States
97224 Posts
 Posted 09/03/2023  10:39 pm  Show Profile   Bookmark this reply Add Dearborn to your friends list

Quote:
Fluorescent light is best used to detect the loss of original surface on a coin's high points. For that reason alone, only one professional numismatist, Mike Fazzari, recommends using it in addition to incandescent light.

Well I hope that the graders have stocked up on a crap load of these lights, as of now, incandescent lights are now no longer for sale, and I think that fluorescent lights will be next (after all, they have mercury in them.)
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