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Any coin collectors here? Question about a penny I have...

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Any coin collectors here? Question about a penny I have...

Old 03-18-06, 01:22 AM
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Any coin collectors here? Question about a penny I have...

I have a US penny I got as change the other day with a 1999 date on it that looks gold (It also has a D under the year) . I noticed that it was off color when separating my change.

It is definetly not the usual copper color and it is pretty much a mint coin with no wear or corrosion on it like the usual change so I know it is not off-color from being shuffled around in thousands of pockets. It has all the same markings as regular pennies, except for its gold color.

I remember there being silver pennies back in the 40's so I can safely bet that this one was minted differently and may be special.

Does anyone know what this may be?
Old 03-18-06, 02:34 AM
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Most likely the copper coating on the zinc planchet (the metal slug the penny is pressed into) was corrupted or damaged in the mint. That, or the penny has been exposed to some other chemical before it came to you. It's not a pure copper penny, the mint stopped those in 1982. They make billions of pennies every year, so it really is only worth face value. You might put it into a coin case and keep it as a curiosity.

Side note: there were never silver pennies, the 1943 cents were made of steel, as copper was needed for the war effort.

Last edited by Forum Troll; 03-18-06 at 02:36 AM.
Old 03-18-06, 09:14 AM
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It means you win the prize! Take it to your nearest US Treasury to claim it.
Old 03-18-06, 09:39 AM
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It's a clean penny. Rare these days.
Old 03-18-06, 10:13 AM
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You can make 'em yourself:

Description: A penny is boiled in a solution of NaOH on top of Zn metal and the color of the penny turns silver in about 45 seconds. The penny is held in the flame of a burner for a few seconds and it turns golden.

Concept: Granular zinc dissolves in NaOH to form [Zn(OH)4]-2. This zincate ion becomes reduced to metallic zinc on the surface of a copper penny. Zinc and copper when heated in a flame form brass.
Old 03-18-06, 10:15 AM
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It could possibly be from a "mint" or "proof" set that some kid stole from their parents and then spent.
Proof sets are very very shiny.
Yesss, my precious...
Old 03-18-06, 10:54 AM
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The D is for the Denver mint. Other coins have a P for Philly.
Old 03-19-06, 06:17 AM
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Another quick coin question.

I recently received a bicentennial quarter ( in very good shape) as change.

Any value (besides 25 cents)?
Old 03-19-06, 07:35 AM
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Originally Posted by crazyronin
Another quick coin question.

I recently received a bicentennial quarter ( in very good shape) as change.

Any value (besides 25 cents)?
Nope, but it's a cool design.

cheers,

-the Jesus
Old 03-19-06, 11:36 AM
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Originally Posted by Trout
The D is for the Denver mint. Other coins have a P for Philly.
Actually, other coins have nothing for the Philadelphia Mint.

I have a couple of these gold pennies that were from a store that was celebrating some anniversary. They aren't worth anything though.
Old 03-19-06, 11:45 AM
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Originally Posted by Phil L.
You can make 'em yourself:

Description: A penny is boiled in a solution of NaOH on top of Zn metal and the color of the penny turns silver in about 45 seconds. The penny is held in the flame of a burner for a few seconds and it turns golden.

Concept: Granular zinc dissolves in NaOH to form [Zn(OH)4]-2. This zincate ion becomes reduced to metallic zinc on the surface of a copper penny. Zinc and copper when heated in a flame form brass.
I remember doing that back in 2nd grade. It was pretty cool.
Old 03-19-06, 11:58 AM
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Originally Posted by FinkPish
Actually, other coins have nothing for the Philadelphia Mint.
Then why is there a P on my change? (no, not pee...)
Old 03-19-06, 12:12 PM
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Originally Posted by Trout
Then why is there a P on my change? (no, not pee...)
I'm sorry, I thought you were just talking about pennies, which do have nothing stamped for the Philly Mint. All the other denominations have a D or P, but that varies depending on the year it was made.
Old 03-19-06, 04:01 PM
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There's also an "S" mintmark for San Francisco, but they stopped minting regular coins back in the late 60s or early 70s. They now make only proofs and other coins for the collector market.

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