Here's a 1968 S proof cent which i think is a Thick planchet. Notice the double rim on the obverse. This cent is as Thick as a nickle planchet The nickle planchet is the forth down Planchets of the WRONG thickness are produced from strip ,that was not rolled properly.Too little pressure can result in planchet stock that is to thick Too much presure can result in a thin Planchet, if the rollers are out of alignment on one side-a tapered planchet-thicker on one side then the-other is created. I just want to get some other opinions on this coin Thank you WHAT DO YOU THINK? JAZZCOINS JOE
The cent shows finning which makes the edge appear wider. And even a norma proof cent will appear unusallywide at the edge because of the full square strike. We aren't used to seeing coins with a fully struck up rim and edge so proof coins seem extra thick. (Most people never really bother to look at the edges.)
But the coin weighs 3.14 grams a normal cent is 3.11 grams i would think it's a Thick planchet Thanks JAzzcoins Joe
I think he was pointing out a minor typo in your first post. You labeled the thread as a 1968 S and the coin is a 1968 S. The first post has an simple mistake in it where you say it is a 1969 S. I think he was pulling your leg a little bit Thanks, Bill
.03 grams heavy and your calling a thick planchet? The allowed tolerance for a normal coin is .13 grams, four times as much. Yes the 3.14 gram planchet would be slightly thicker than normal, by .0005 inches or five ten thousandths of an inch thicker. About half the diameter of a human hair.
The point is that it has to be beyond the normal tolerance of .13 grams for there to be enough extra metal to call it a thick planchet. Your coin is within the Mint's specs so it is not worthy of the label. What you have is within the normal range of weight, therefore a normal coin, therefore, not a thick planchet. Thanks, Bill
This coin is brought up on another site with no results yet. http://coinchat.org/forums/showthread.php?t=349
Oh! So jazzcoins, aka Big Ben, Coin Professor, and justcoins is also known as COOLCOINZ. Another name to add to the list.