Letter from the Secretary of the Treasury, transmitting a report of the Director of the Mint, of the result of several assays at that establishment, on the gold and silver coins of foreign nations ...
U.S. Mint Reports (1818)
Periodical Summary
The Mint Director's report on results of assay tests on foreign gold and silver. The same text appears in the American State Papers, finance (class 3), volume 3, no. 540.
Paul Hybert summary: "An assay of foreign coins, from mint director Patterson to Treasury Secretary Crawford, who relayed it to Congress. The results are very similar to those found earlier in the year."
A transcript is at: http://www.chicagocoinclub.org/lib/us/asp/cl03.finance/v3/n540.html.
