The outer ring of GCLV-2 weighed 11.85 DWT(pennyweights) (1/20 of a troy oz) and contained no precious metal.

GCLV-2 Center weighed 11.63 DWT and contained 11.27 DWT .999 Silver. Actually the center was .9690 Fine Silver.
GCLV-2- 11.27 DWT =.5635Oz Troy .999 Fine Silver

HRLV-1 Center weighed 11.98 DWT and contained 11.83 DWT .999 Silver. Actually the center was .9874 Fine Silver.
HRLV-1- 11.83 DWT =.5915Oz Troy .999 Fine Silver

(copied from Marv Weaver's web page... http://home.comcast.net/~sptokens/marv9.htm )