USA, California 1852 "887" US Assay Office "slug" 50-Dollars AU DETAILS

USA, Territorial California Gold, octagonal shaped $50, 1852, U.S. Assay Office, San Francisco, eagle, wings spread, with ribbon and shield, UNITED STATES OF AMERICA and "887 THOUS" on ribbon above, FIFTY DOLLS below, all within inner circle, outer legend, UNITED STATES ASSAY OFFICE OF GOLD SAN FRANCISCO CALIFORNIA 1852, rev. machine made criss-cross of circular lines, reeded edge (Fr.79; KM 54; Yeoman 2020 p.404). Once cleaned though a well struck piece in NGC holder graded AU DETAILS (Improperly Cleaned), scarce.