Never Found One Like This Before

[midntmn]

A few minutes ago I was searching a half dollar, bank wrapped roll and found a clad half that had a normal reverse, but the obverse is totally blank. I gave it the sound test with a normal clad and it passed. Of course there is no date on it, but from the condition and tone of the reverse, it looks to be from the 70's to 90's. In about 4 years of CR searching, I have never seen one like it. Has any one else found such a coin. I am assuming it is a rare error, but have no idea if it has extra value, as a result. I am keeping it, but I am curious...
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Photos taken with my IPhone

 

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[BuffaloBoy]

I was thinking it being the hollow side of a magician's coin as well, but it could very well be the real deal! Hope it is, congrats,
HH
Buff

 

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[sagittarius98]

I second that!
What is a red book valve?

I guess Boris means he has a quarter like that that he used a knife on that is silver. If so, that could be a costly mistake. Also, a Red Book valve should just be value. Boris is known for his erratic style of writing/responses.

 

[sagittarius98]

How did the reverse strike if there was no obverse die to provide the pressure on the back end?

I didn't think about that. Let me retract my statement.

 

[Fropa]

Could it have been mounted in a belt buckle or something. That could explain the rim dings and the protected reverse of the coin. Just a guess.

 

[midntmn]

The rim dings are very small and irregularly placed. The mounting possibility doesn't explain the smooth surface. The color of the smooth side is the same as the reverse. It is definitely a clad. There is no trace of an image or or lettering. I would think that if it were machine sanded and polished to look like a blank, then the copper core would be showing. I think I will take it to a coin dealer to get an opinion.

 

[namster]

Send it in to get slabbed. Then you will know for sure.

 

[midntmn]

I was thinking about sending it to PCGS... but if it is the real thing I am not sure I would want to send it through the mail. I did a google and did not find any reference to this kind of error. There are blanks and blank planchets, but nothing where it is only blank on 1 side. Of course, that makes me have my doubts, too.

 

[Get-the-point]

I guess Boris means he has a quarter like that that he used a knife on that is silver. If so, that could be a costly mistake. Also, a Red Book valve should just be value. Boris is known for his erratic style of writing/responses.

It's a good thing you speak Boris!!!!

 

[mountainman 2]

I think the coin you have there may have been used in jewelry. The reverse was protected while the obverse was not and subject to heavy wear. I've seen a few kennedy halves over the years that were so smooth that i could just make out kennedy's head. Maybe it held some sentimental value to the original owner and he decided to save it. Just a thought. Those marks on the reverse edge could have been where it was mounted.

 

[frankendime]

BONDED COINS
Bonded coins occur when the feeder system, which supplies blank planchets to the coin press, malfunctions and jams. When this occurs, a struck coin is not properly ejected and another planchet is fed into the collar and is struck. This struck coin will land on top of the previously unejected strike and crush and bond together. This may occur many times as more coins bond.

Possibly a bonded coin that has come apart?

 

[midntmn]

That sounds logical and explains the flat obverse surface. Is this a rare occurance? Any idea of value?

 

[frankendime]

That sounds logical and explains the flat obverse surface. Is this a rare occurance? Any idea of value?

Now these questions are another kettle of fish. Frankly, I have had much trouble finding experts to answer my questions like this. All i have done is a bunch of reading and drawn my own conclusions to what happened. You can try posting here. Coneca is most trusted error coin club. May hafta wait for an answer here because its like a graveyard up there. You get lotsa views but few responses, but there are experts there.Mint Error Forum - CONECA Error-Variety Coin Forum Good luck. Hope you have a good one there!

 

[usandthem]

Have you weighed it yet? That could tell us a lot.

 

[SilverForBrains]

A quarter with geo. perfect on other side, see what is it by Boris on big sail silver under little jackknife, red book valve maybe $25.00.

hey man pass some of that stuff over here

 

[Sleazyj]

I think it may be sanded. I say this because the copper near the top left Is showing, if it were struck then the copper would show on the actual coin, however I'm not an expert this is just my opinion

 

[midntmn]

The copper is showing around a portion of the rim. Possibly the result of an off center "strike". The remainder of the rim is still clad. There are random wear scratches on the surface of the blank side, but there are no uniform scratch patterns that would be expected with sanding.