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Courtesy of jimscoins.
I don't recall ever seeing Washington with a copper visage. Probably just a spray tan or something. |
No, what you're seeing isn't Photoshopped. That is indeed a US quarter minted on a penny planchet. This kind of error is one of the more jarring and unique ones out of the dozens of errors out there. The error is happened when the wrong kind of planchet is fed into the wrong coin stamping press. In this case, the planchet for pennies was fed into a stamper meant for quarters.
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Courtesy of coinquest.
"In your face FDR! My coin is bigger than your coin!" |
There are numerous cases of this error out there; different denominations, different combinations of material and sometimes... The same denomination with different composition. That's the case with the insanely rare (and very, very valuable) 1943 Copper Cent and 1944 Steel Cent.
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Courtesy of Wikipedia.
In 1943, the US Mint switched to steel for pennies that year due to copper being used for the war effort. |
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Courtesy of coinsdig.
In 1944, the US Mint switched back to copper planchets for pennies. |
All of these coins go for premium prices, with the 1943/1944 composition swapped coins going for insane prices. The 1943 Copper Penny fetches in the tens of thousands, with some examples going for around $100,000 in mint condition. The 1944 Steel Penny tends to fetch a slightly higher average price, with only 25 - 30 known examples; they tend to fetch between $75,000 and $110,000.
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Courtesy of jimscoins.
Penny stamped on a stamped Dime. "I am an abomination!" |
Slightly related to the wrong planchet strikes would be double denomination coins. When a coin has already been stamped, it sometimes ends up getting stamped again with another die. The last die to stamp the coin is usually the strongest (in the case above, the penny die was the last to stamp), but details of both are visible (such as the "ONE DIME" to the top right of the above coin.)