Questions On 5 Wheaties - Pics Included.

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papasteeze New Member United States 16 Posts	Posted 12/08/2009 4:28 pm The thread on the copper 43 along with the cherry picker list motivated me to post these 5 oddities - varieties - errors...? Hopefully for any information anyone is willing to provide. I should add, I am a google fanatic and use it to find any and everything. Hopefully the information is better here than google. This may be long. First up is a 1920 cracked die? Seems pretty severe. Any insight on why there doesn't seem to be any chatter about this coin? I see mention of miniscule little marks but rarely anything of this size. Certainly the die and the subsequent crack would have grown during production. Has anyone collected a coin focusing on an error like a growing crack? I said grow not smoke! Second. What in the hey turned this penny purple? I don't think I have any noxious gas except after the wifes chili. I have seen ebay ads for "rainbow" colors.. yadda ya. But what the... I didn't do anything to it. I removed it from a cardboard flip that it has been in for the picture. what the hey happened, this can't be a good thing. Third - Upper left oddity. Who in the hey coats coins? I don't think it is silver, no silver oxide. I found it while separating pds '43's. This 1953 blew me away as much as a copper 43 did until I found out it was a perfect coating of copper colored rust with a magnet! Under closer examination this 53 electroplated? Why? Fourth - Lower left. while partially filling an album for a xmas gift, when I closed the album, I heard a "CLINK". I picked up the coin noticed a rather pronounced obverse and wondered how a proof got mixed in with a bag of AU wheaties. Checked, no 1949 proofs issued. Looked at it a bit closer, shrugged my shoulders stuck it back in its hole only to have it fall out again. Silly Harris and quality control, (i said to myself, figuring the hole was too big to hold a penny) Wrong again! The penny is much smaller diameter. I placed a another 1949 under it and carefully lined up the top and left side for the photo. Is small diameter a typical thing? I wish I had some type of micrometer that could measure the height of the obverse, it is quite noticible. Last up Fifthly - Lower right. Just a rotated reverse maybe 10 degrees on 1945. Here again rotations don't seem to be a normal thing since there isn't much discussion unless it is severe. Is that correct? is it worth the time to flip coins looking for rotation? How common are rotated reverse? Thank you in advance for any comments good, bad or ugly. Report this Post to the Staff

biokemist6 Bedrock of the Community United States 12437 Posts	Posted 12/08/2009 5:07 pm 1)That coin is not from a cracked die, it is a planchet lamination. A Lamination is caused by an impurity in the alloy mixture and that can cause the metal to peel away. These are relatively common on wheaties. 2) That is certainly a nice strike for a 1920s Lincoln. In the right storage conditions, copper can take on a purplish-blue tone although there are ways to "enhance" it as well. A coin cleaning product called MS70 can turn mint state copper into something that looks similar to that. I am not saying you did it, but a previous owner might have "helped" the color along. 3)Coins have been plated as long as high schoolers have been taking chemistry class. Not really important as to why it was done, just know that cents plated with just about any type of metal are floating around. 4)A modern coin should not have a variance in diameter, especially on the small side. Coins are struck by two opposing dies but there is also a third die involved, known as the collar. The collar is basically a flat plate of metal with a hole in the middle. When the planchet is struck by the dies, it spreads out in a cold flow process. The collar is what determines the diameter of a coin and for reeded coins, it also imparts the reeding. There is an error known as a broadstrike that occurs when the collar malfunctions and does not engage- the coin is struck out of collar. This causes the diameter of the coin to increase and the devices of the coin spread out towards the edges. The only thing I can think of that would make a coin smaller is a coin being encased(think lucky penny holder). This is a forced process and typically leaves telltale signs on the rim. Could you get a photo of the edge of the coin? 5)That would be a rotated reverse. Technically, either die could rotate but you need a point of reference so it is always assumed to be reverse rotation. A small rotation like that is somewhat common and not worth a premium. I believe the tolerance for modern coins is 15 degrees but you can frequently find 19th century coins with greater than 30 degree rotation. Large degrees of rotation are collectible and medal alignment(90 degrees) is one that is sought after. Edited by biokemist6 12/08/2009 5:07 pm Report this Post to the Staff
papasteeze New Member United States 16 Posts	Posted 12/10/2009 1:04 pm Thanks Bio! I think you are correct on the 1949. I found my micrometer. 18.5293mm Upon closer examination the rim appears to be beveled, however if it was encased in some type of holder it was done in a way that left little or no mark excluding the evidence of bevel. I had a lot of trouble with the autofocus not recognizing the rim. I don't have manual. Ask and ye shall receive: Cropped. Report this Post to the Staff
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