Last Updated:  12 June 2006

Composition for all silver strikes:
$7 - .65 oz
$10 - .60 oz
$20 - .75 oz
$28 - .65 oz
$40 - Large size - 1.54 oz,  small size - 1.26 oz
$200 - 1 Troy pound - 12 oz

Thanks to Richard Gauthier via strikepoint.

Black Oak casino strikes info from strikepoint: Walt Johnson wrote, silver center portion is smaller by about 3/16" to 1/4" from the other strikes.  Bill Cohenour wrote, I took one apart and the weight of the silver center is .5 ounces compared to .6 ounces with other mints.