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1970 S Lincoln Cent RPM?

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Valued Member

United States
399 Posts
 Posted 10/27/2025  7:49 pm Show Profile   Bookmark this topic Add Dough101 to your friends list Get a Link to this Message Number of Subscribers
Folks, this is a proof coin and is still in the holder. Take a look.
1970-S-Lincoln-Cent-RPM?
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-makecents-'s Avatar
United States
8733 Posts
 Posted 10/27/2025  7:51 pm  Show Profile   Check -makecents-'s eBay Listings Bookmark this reply Add -makecents- to your friends list Get a Link to this Reply
You so silly the way you post stuff.
-makecents-
Valued Member
United States
399 Posts
 Posted 10/27/2025  7:52 pm  Show Profile   Bookmark this reply Add Dough101 to your friends list Get a Link to this Reply
Is this RPM?
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-makecents-'s Avatar
United States
8733 Posts
 Posted 10/27/2025  7:58 pm  Show Profile   Check -makecents-'s eBay Listings Bookmark this reply Add -makecents- to your friends list Get a Link to this Reply
Silly....
-makecents-
Valued Member
United States
399 Posts
 Posted 10/27/2025  8:03 pm  Show Profile   Bookmark this reply Add Dough101 to your friends list Get a Link to this Reply
@Dearborn, get over here; is this RPM? I am going through lots of crap.
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Errers and Varietys's Avatar
United States
73795 Posts
 Posted 10/27/2025  9:06 pm  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
I'm thinking Machine Doubling. It looks reduced in size and shelf like in appearance. Machine Doubling is very common on proof coinage as they struck more than once.
Errers and Varietys.
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ijn1944's Avatar
United States
19126 Posts
 Posted 10/28/2025  07:09 am  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
I suspect a case of Machine Doubling.
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Dearborn's Avatar
United States
95018 Posts
 Posted 10/28/2025  08:03 am  Show Profile   Bookmark this reply Add Dearborn to your friends list Get a Link to this Reply
Look at what? you are posting less and less of the coins you have.
that above looks like Machine Doubling. But without more of the coin to look at, some determinations can be difficult.
It is customary to post up FULL coin images of both sides when posting.

Additionally, have you tried to attribute this to any known RPM's?

For us, it is next to impossible, because MM placement under the date is imperative - something you FAILED to show in your initial post above.
Valued Member
United States
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 Posted 10/28/2025  08:59 am  Show Profile   Bookmark this reply Add Dough101 to your friends list Get a Link to this Reply
I only posted this image because this is my question. I visited "Wexler site" and found some information about this phenomenon. 1970 S Lincoln Cent is another interesting phenomenon. And even in proof coin RPM does occur; Wexler says.
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jbuck's Avatar
United States
187702 Posts
 Posted 10/28/2025  10:53 am  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply
You are also posting photos of a scope screen. In the future, please do not post photos of scope screens. Use the memory card or a USB cable to transfer images.
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Dearborn's Avatar
United States
95018 Posts
 Posted 10/28/2025  12:06 pm  Show Profile   Bookmark this reply Add Dearborn to your friends list Get a Link to this Reply

Quote:
I only posted this image because this is my question

... and for you that might enough because you have the coin in hand, WE DON'T.
We need more information that you are NOT willing to supply us.
Valued Member
United States
399 Posts
 Posted 10/28/2025  12:53 pm  Show Profile   Bookmark this reply Add Dough101 to your friends list Get a Link to this Reply
This scope is not pc compatible. If this forum's rules and policy do not allow posting the scope screen, then I will have to stop posting. Sorry.
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jbuck's Avatar
United States
187702 Posts
 Posted 10/28/2025  1:58 pm  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply

Quote:
This scope is not pc compatible.
Use a memory card. You can get memory card readers that will work on PC, Mac, Android, iPhone, etc. You can get a card and a USB reader for less than $20.
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Dearborn's Avatar
United States
95018 Posts
Valued Member
United States
399 Posts
 Posted 10/28/2025  5:34 pm  Show Profile   Bookmark this reply Add Dough101 to your friends list Get a Link to this Reply
KOOLERTRAN, I THINK.
1970-S-Lincoln-Cent-RPM?
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Dearborn's Avatar
United States
95018 Posts
 Posted 10/28/2025  6:25 pm  Show Profile   Bookmark this reply Add Dearborn to your friends list Get a Link to this Reply
Nice scope, but looking on Amazon, your scope does have PC support via USB cable.

Quote:
PC Support : The KoolertronMicroscope also supports real-time viewing when connected to a computer via USB cable, and the zoom effect is displayed on a larger screen, making it easy for multiple people to observe at the same time

or by Micro SD Card:

Quote:
Save and Export Images and Videos : This Coin Microscope is equipped with a Micro SD card slot. You can save the images and videos obtained during observation to the card and output them. This microscope is equipped with 32G Micro-SD card (maximum support 128G Micro SD card)


But for me I just use my cell phone for 99% of my images.
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