VERY Informative article for the new silverbug:
http://www.survivalblog.com/2012/06/letter-re-advice-on-pre-1965-silver-coinage.html
"90% .50/.25/.10 bags ($1,000 face value) contain approximately 715 ounces of silver."
"$1,000 face value bags of 40% silver half dollars (with 1965 to 1970 mint dates) contain approximately 296 ounces of silver."
"(BTW, silver dollars have a silver content greater than four quarters. Not only is there numismatic value, but there is also slightly more silver content, per dollar.)"
http://www.coinflation.com/coins/1878-1921-Silver-Morgan-Dollar-Value.html
"handy conversion formulas:
Grams to pennyweights, multiply grams by .643
Pennyweights to grams, multiply pennyweights by 1.555
Grams to troy ounces, multiply grams by 0.32
Troy ounces to grams, multiply troy ounces by 31.103
Pennyweights to troy ounces, divide pennyweights by 20
Troy ounces to pennyweights, multiply troy ounces by 20
Grains to grams, multiply grains by .0648
Grams to grains, multiply grams by 15.432
Pennyweights to grains, multiply pennyweights by 24
Avoirdupois ounces to troy ounces, multiply avoirdupois ounces by .912
Troy ounces to avoirdupois ounces, multiply troy ounces by 1.097
Avoirdupois ounces to grams, multiply avoirdupois ounces by 28.35
Grams to Avoirdupois ounces, multiply grams by .035"
http://www.survivalblog.com/2012/06/letter-re-advice-on-pre-1965-silver-coinage.html
"90% .50/.25/.10 bags ($1,000 face value) contain approximately 715 ounces of silver."
"$1,000 face value bags of 40% silver half dollars (with 1965 to 1970 mint dates) contain approximately 296 ounces of silver."
"(BTW, silver dollars have a silver content greater than four quarters. Not only is there numismatic value, but there is also slightly more silver content, per dollar.)"
http://www.coinflation.com/coins/1878-1921-Silver-Morgan-Dollar-Value.html
"handy conversion formulas:
Grams to pennyweights, multiply grams by .643
Pennyweights to grams, multiply pennyweights by 1.555
Grams to troy ounces, multiply grams by 0.32
Troy ounces to grams, multiply troy ounces by 31.103
Pennyweights to troy ounces, divide pennyweights by 20
Troy ounces to pennyweights, multiply troy ounces by 20
Grains to grams, multiply grains by .0648
Grams to grains, multiply grams by 15.432
Pennyweights to grains, multiply pennyweights by 24
Avoirdupois ounces to troy ounces, multiply avoirdupois ounces by .912
Troy ounces to avoirdupois ounces, multiply troy ounces by 1.097
Avoirdupois ounces to grams, multiply avoirdupois ounces by 28.35
Grams to Avoirdupois ounces, multiply grams by .035"