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