1971-P JFK Half Dollar Gold Plated/Silver Weighs 11.61grams.

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Author	Replies: 6 / Views: 10,935
chuckster 125 Pillar of the Community United States 4113 Posts	Posted 03/18/2010 1:43 pm I found this 1971P JFK half roll searching this mornimg It's been either Gold Plated/Silver Plated? The interesting thing about this coin is that it weighs approx 11.61 Grams and that is almost .11 grams heavier than a normal 1965/1970 40% Silver Clad Half which weighs approx. 11.50 Grams. It is also approx .27 Grams heavier than a normal 1971P JFK should which should weigh approx 11.34 Grams. I have a 2005 JFK Gold Plated Half dollar and it weighs in at 11.37 Grams just a little more than a normal JFK from 1971 to present should weigh. Anyone know or hear about any 1971 JFK's being made in error?(40%Silver Clad?) I know there are a few 1974D and 1977D IKE'S that were made in 40% Silver Clad by mistake. Would this being plated add that much more weight to the coin? Thanks for any help/input on this one. Edited by chuckster 125 03/18/2010 7:01 pm Report this Post to the Staff

Conder101 Bedrock of the Community United States 17884 Posts	Posted 03/19/2010 10:14 am Mint tolerance allows a copper nickel clad half dollar to weigh as much as 11.9 grams, so it is still well within tolerance. Report this Post to the Staff
chuckster 125 Pillar of the Community United States 4113 Posts	Posted 03/19/2010 1:09 pm Thanks! Report this Post to the Staff
XavierOfGreen Pillar of the Community United States 2589 Posts	Posted 03/19/2010 7:38 pm i think there are a handful of 1971's struck in 40%, but they are very very rare Report this Post to the Staff
AMFCook Valued Member United States 312 Posts	Posted 03/20/2010 10:41 am There were some pieces dated 1971-D and 1977-D that were struck in silver clad by error. However, there are some Kennedy's of those dates and mms that have been plated and passed off as one of those known errors, which if I remember was a small number to begin with and I think the mint caught most of them before they made it into circulation. Report this Post to the Staff
chuckster 125 Pillar of the Community United States 4113 Posts	Posted 03/20/2010 12:38 pm Thanks for the info! Report this Post to the Staff
foundinrolls Pillar of the Community United States 3507 Posts	Posted 03/21/2010 7:34 pm Also, different methods of plating causes different results where weight is concerned. A "chrome" plating technique, for example can add a lot more weight than a real nice electroplating of .003 inches or less of plating material. Some plated coins can actually remain within the Mints tolerances for weight when a larger coin is plated. In any case, the image makes it clear that this coin is an example of a post-mint plating. Thanks, Bill Report this Post to the Staff
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