Description: Likely presentation ingot, c. 1873, electrum (mixed silver and gold metal), unknown purity, stamped "No 2745, BLAKE & CO. ASSAYERS. OWYHEE, I.T., OZ. 4.55, G.F. .012, S.F. .987, G. $1.12, S. $5.80", no markings on other sides, approx. 54mm x 28mm x 9.5mm, 4.545ozt
Condition Report: Good, medium grey patina, corners slightly rounded, small nicks and scratches, mostly around edges
Notes: Blake & Co, a well-established mining assaying company, worked out of the Silver City, Owyhee County of Idaho Territory from 1866-1873, however ingots made prior to December 1872 would have had a tax stamp required by law