Gold $20 San Francisco Assay Office, 1853

This coin was deposited with the Melbourne Mint and is thought to have been brought to Australia by an American gold seeker.

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Obverse – Eagle standing with wings spread above a plaque with the legend 900THOU (a measure of the gold purity 900 parts per thousand or 90 percent pure), around which is UNITED STATES OF AMERICA TWENTY D.		Reverse – UNITED STATES ASSAY OFFICE OF GOLD SAN FRANCISCO CALIFORNIA 1853 struck with a simple machined background.

Transferred from Melbourne Mint, 1978