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One half of the proof is the percentage. 100 proof alcohol is 50% or half alcohol.

Q: One half of the proof

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Value for a proof 1962 is $10.00-$12.00

With the exception of 1964, all Proof Kennedy half dollars will have a "S" mintmark. They also have a mirror like finish on them.

Meant to say "half inch Proof Coil vs half inch size BBB" anchor chain.

Half of half of half of one half is one sixteenth (0.0625).

One half of 30 is 15.One half of 30 is 15.One half of 30 is 15.One half of 30 is 15.One half of 30 is 15.One half of 30 is 15.

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100% pure alcohol is 200 proof. So 100 proof is 50% alcohol.

A 1969-S proof half dollar - aka - Kennedy Half Dollar is worth: $7.00.

Look harder. In 1973, Britain minted - * Two New Penny (Proof FDC) * One New Penny (Proof FDC) * One New Penny for general circulation * Half New Penny (Proof FDC) * Half New Penny for general circulation

Yes, proof versions of the Kennedy half dollar were made. These will have the S mintmark.

You have a Franklin half dollar - a 1957 proof coin is worth around $25.00.

3.75

purple and a half

It has a value from $5 in the lowest proof grade [Proof 60] to $375 in the highest proof grade [Proof 70]

A proof version? Maybe 1-2 dollars.

Value for a proof 1962 is $10.00-$12.00

With the exception of 1964, all Proof Kennedy half dollars will have a "S" mintmark. They also have a mirror like finish on them.

Meant to say "half inch Proof Coil vs half inch size BBB" anchor chain.