One silver (pre-1965) half dollar weighs 12.5 grams, so 20 weigh 250 grams.
A 20-coin roll of Franklin half dollars would have a face value of $10, would weigh 250 grams (8.0377 troy ounces, or 8.8185 oz avoirdupois), and being 90% silver, would have 7.234 troy ounces of silver, giving it a "melt value" of $102.80 (as of December 3, 2007)
A Franklin half dollar weighs 12.5 grams.
26.730 grams is the weight standard for all US silver dollars from 1840 to1935.
They originally weighed 26.96 grams. Of course a circulated coin will weigh slightly less. And genuine silver dollars are NOT magnetic.
Modern brass and older SBA $1 coins weigh 8.1 gm. Copper-nickel Eisenhower dollars weigh 22.7 gm True silver dollars (those made up till 1935) weigh 26.7 gm
U.S. half dollars dated before 1965 weigh 12.5 grams and contain 90% silver.
U.S. half dollars minted in 1965 through 1970 weigh 11.5 grams and contain 40% silver.
U.S. half dollars minted in 1965 through 1970 weigh 11.5 grams and contain 40% silver.
All Barber half dollars weigh 12.5 grams (slightly less if heavily worn) and contain 90% silver with 10% copper.
Half dollars 1965-70 are 40% silver.
The silver melt value of 820 US half dollars is $10,113.74. The silver melt value of 820 1965-70 US half dollars is only $4,135.40.
Half dollars dated 1964 and earlier are made of an alloy of 90% silver and 10% copper. These coins weigh 12.5 gm in new condition, so 90% of that is 11.25 gm.
A 20-coin roll of Franklin half dollars would have a face value of $10, would weigh 250 grams (8.0377 troy ounces, or 8.8185 oz avoirdupois), and being 90% silver, would have 7.234 troy ounces of silver, giving it a "melt value" of $102.80 (as of December 3, 2007)
A Franklin half dollar weighs 12.5 grams.
US dimes, quarters and half dollars dated 1964 and before contain 90% silver. Half Dollars from 1965 to 1970 contain 40% silver. The 1942 - 1945 nickels have 35% silver. Silver dollars dated 1935 and before have 90% silver.
U.S. silver dollars dated 1935 and earlier weigh 26.73 grams and contain 90% silver.
All U.S. half dollars from 1840 to 1964 contain .36169oz of silver.