Email Record: No. 4851, in Court of Appeals of D.C., Oct. term, 1928; U.S. ex rel. American Silver Producers Association, corporation; Della S. Consolidated Mines Company, corporation; and Spar Consolidated Mines Company, corporation, appellants volume Andrew W. Mellon, Secretary of Treasury, and Robert J. Grant, Director of Mint, appellees; appeal from Supreme Court of D.C :