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Replies: 21 / Views: 5,043 |
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New Member
United States
15 Posts |
Edited by Kimby0310 10/21/2022 11:53 pm
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Bedrock of the Community
United States
62064 Posts |
 Normal weight is 5.67 grams for a clad coin. Silver 6.25 grams. Tolerance is +/-.19 grams Have you tried the tissue test?   While the coin looks like a clad in color, it maybe toning in circulation. There were Silver quarters on the 'S' mint Proof quarters. But edge thickness doesn't show the thickness of the planchets. The rim height can be different, without a change of weight. [b]Question: "Did you reset the tare setting before weighing the coin?" You turn on the scale, and press the tare button to reset the scale. then weigh the coin. The edge does appear to show the copper areas but lighter in color. There were some coins that were plated and sold on HSN that would change the weight of the coins? And it is possible to have a heavy coin as the blanks are not weighed when they are cut. So if you had reset the tare and it still weighs the same, then it maybe a heavy planchet? (Only gold coins are weighed at the mint because of value differences)
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Moderator
 United States
95740 Posts |
This is not a silver coin, the OP has presented a photo of the edge - which clearly shows the copper core. that it certainly looks fatter than normal.
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Pillar of the Community
United States
1657 Posts |
What would a quarter struck on a planchet cut from half dollar stock weigh?
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Moderator
 United States
95740 Posts |
11.34 grams +/- .26g - your coin was not struck on a half dollar planchet. Coop was using that as an example to look for silver coins, not to suggest it is a quarter on a half planchet.
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Pillar of the Community
United States
1657 Posts |
My question was about quarter planchets cut from half dollar stock. It wouldn't be the same weight as a half dollar, as it would be punched to quarter planchet size. I am not saying that's what the poster's coin is, just asking a question to see if that is a possibility. While rare, such errors have happened.
Edited by lcutler 10/23/2022 1:33 pm
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Bedrock of the Community
United States
62064 Posts |
If it were, then there would have been a lot more of them struck that year. 1970-D Quarter on Dime stock:  Something altered the thickness of the stock metal. (Slightly)
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New Member
 United States
15 Posts |
I tared, and reset & tested with weights about 4 times to make sure. I have 2 sets of scales and both said the same. I did not try the tissue test though because of the copper around the edge and the P mint mark.
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New Member
 United States
15 Posts |
I have also read that there were at least 2 experimental planchets used in 99. The coins struck on them were slightly thicker and weighed between 5.9-6.3grs and gold colored or had a slight green hue. This one is definitely not one of the gold ones. All the coin dealers I've spoken with only deal in silver or gold coins. I will take any suggestions if anybody knows someone or a shop I can bring it to around ft.lauderdale fl.
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Pillar of the Community
 United States
7174 Posts |
Going to be watching this. Too heavy to be a regular quarter. Might be half stock, someone will be along shortly to tell us what half stock would weigh.
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Moderator
 United States
95740 Posts |
Quote: My question was about quarter planchets cut from half dollar stock. It wouldn't be the same weight as a half dollar, as it would be punched to quarter planchet size. I am not saying that's what the poster's coin is, just asking a question to see if that is a possibility. While rare, such errors have happened. Oh ok, now I understand. Can you put up another picture of that quarter with a half dollar coin (edge on) so we can compare the thickness of the 2?
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Moderator
 United States
95740 Posts |
Quote: Might be half stock, someone will be along shortly to tell us what half stock would weigh half dollar stock at quarter dollar size - that will be a complex math exercise to do.. Way beyond me...
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Pillar of the Community
 United States
7174 Posts |
Dearborn, I wasn't thinking of you. 
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New Member
 United States
15 Posts |
I will have that picture uploaded for you by this afternoon.
Edited by Kimby0310 10/24/2022 05:38 am
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New Member
 United States
15 Posts |
Here are the pics I got of the 1999 P quarter next to a 1977 P Kennedy half dollar and a 1072 D Kennedy half.    For reference, the quarter is in the middle. In the 2nd pic the quarter is on the left
Edited by Kimby0310 10/24/2022 4:10 pm
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New Member
 United States
15 Posts |
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Replies: 21 / Views: 5,043 |