Numismatics / Coin Collecting - The coin collecting hub for kiwifarms

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So many people selling modern common dollar coins for 3-5x face value. Is it really that hard to stuff some coins you got from the bank into an envelope and make a listing?
 
The checklist is usually
- Is the price too good?
- Is it marked (however small) with "copy" or similar, or have any noticeable deviations from the design?
- Is it magnetic?
- Was this design minted in this year (in this metal)?
- Is it the right diametre? (±0.1mm)
- Is it the right weight? (±0.05g)
- Does it have the Jersh approved tink-tink-tink?
Then I'd recommend getting to know your local coin dealer, see if they'll give things a cheap/free look over or have an XRF machine they're willing to test things on. Sadly my own local only XRF tests if you pre-agree to sell the hook nosed bastard
It was from local antiques dealer 350€. Remember being hyped it being only 6€ over spot. Sound is just right, weight is ok. Only iffy thing to me the B.L.P. makers mark
 
Wartime Japanese 5 Ten, coin commemorating 25 years of Israel and postwar 1940s French 10 Franc note.

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So many people selling modern common dollar coins for 3-5x face value. Is it really that hard to stuff some coins you got from the bank into an envelope and make a listing?
I honestly think some of these are scams. A roll of uncirculated dollar coin is not really worth 3 to 5 times face value unless it has some quirk like an misstrike.

Now like with half dollars, perhaps it's a matter of rare or notably high quality designs, like with the 2 Euro coins (the only Euro used for commemorative issues). Brave browser AI provided this answer with a search. There's many other designs. Maybe the 2025-6 native design is well liked. It's a puzzler.
The 2025 American Innovation $1 Coin program features four coins honoring innovators and innovations from Arkansas, Michigan, Florida, and Texas. These coins are part of a multi-year series by the U.S. Mint that began in 2018, celebrating American ingenuity with unique reverse designs for each state and territory.

Arkansas Coin
Honors Raye Montague, the naval engineer who created the first computer-generated U.S. naval ship design. The reverse shows her visualizing an Oliver Hazard Perry-class frigate, with a grid pattern symbolizing digital drafting.

Michigan Coin
Celebrates the auto assembly line, a revolutionary innovation in manufacturing. The design depicts a 1930s-era assembly line with workers installing a car body.

Florida Coin
Pays tribute to the Space Shuttle Program, featuring a shuttle launching from Kennedy Space Center with smoke and stars in the background.

Texas Coin
Recognizes NASA’s Mission Control at the Johnson Space Center, showing an astronaut on a spacewalk outside the International Space Station.

All coins share a common obverse featuring a profile of the Statue of Liberty and a privy mark shaped like a gear, symbolizing innovation. They are composed of manganese-brass, weigh 8.1 grams, and have lettered edges with "2025," the mint mark, and "E PLURIBUS UNUM."

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1930 Irish Free State Farthing

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1922 Peace Dollar
 
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1912 500 Ruble note with a 1992 Isle of Man 2p and a 2000 Quarter commemorating the Jamestown Colony.
 
So totally forgot I've had these coins sitting in my desk drawer for 5+ years. Oldest is 1882.

Best I can tell is the 5 silver eagle rounds on the right are only worth their weight in silver, but the rest I haven't a clue.
I'm considering tossing them in the ultrasonic cleaner and then stashing them back in the drawer for another 5 years, future me problem.

Edit: apparently don't clean the coins
 

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So totally forgot I've had these coins sitting in my desk drawer for 5+ years. Oldest is 1882.

Best I can tell is the 5 silver eagle rounds on the right are only worth their weight in silver, but the rest I haven't a clue.
I'm considering tossing them in the ultrasonic cleaner and then stashing them back in the drawer for another 5 years, future me problem.

Edit: apparently don't clean the coins
With today's silver prices, you've got yourself a good bit of money through melt value alone. Do any of the Morgan silver dollars (the big silver coins dated from 1921 and earlier) have a big "CC" on the reverse under the eagle?
 
With today's silver prices, you've got yourself a good bit of money through melt value alone. Do any of the Morgan silver dollars (the big silver coins dated from 1921 and earlier) have a big "CC" on the reverse under the eagle?
I'd never be so lucky. Four stamped with "o" and one stamped with "s". Rest have no marks. None of them seem to line up with the "valuable" dates.

I'll get them appraised eventually but I have to take some time to find a decent appraiser, since all the local ones are hacids looking for every opportunity to screw goys over.

The autists of Reddit apparently get really mad about it. But as @Agares mentioned it tends to devalue the coin if done incorrectly, which I most certainly would do.
 
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I’ve identified another one of the Roman Coins I’ve cleaned. This one is a Follis of none other than Constantine I.
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This thing was absolutely crusted in dirt and corrosion when I got it.
 
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Sovereign rings usually use a half Sovereign so sometime ago I bought this. If I wore this some gypsies would kidnap me and make me their king. The George V Sovereign looks in good condition.

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I was able to identify more of the Roman coins I cleaned up. I have 3 that I'm fairly certain were struck under Constantine I, all from the mint in Siscia, which is what is now Croatia. Not surprising since most of them were dug up in the Balkans. I also have 2 from under Licinius I, which are the best preserved of the bunch. One was made in Siscia, while the other was made in Antioch (Syria). I also have one from Valens and one from Constantius II. There's a pretty good site for identifying late Roman bronze coins called Tesorillo. It's from Spain but some of the relevant pages have English translations. You just match the obverse/reverse designs and legends to the coins you have and it's fairly easy to attribute them.
 
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