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Assay offices are institutions set up to assay (test the purity of) precious metals. This is often done to protect consumers from buying fake items. Upon successful completion of an assay (i.e. if the metallurgical content is found be equal or better than that claimed by the maker and it otherwise conforms to the prevailing law) the assay offices typically stamp a hallmark on the item to ...
The James A. Rhodes State Office Tower is a 41-story, 629-foot (192 m) state office building and skyscraper on Capitol Square in Downtown Columbus, Ohio.
Miranova Place is an office and condominiums complex in Columbus, Ohio.The complex was completed in 2001. It consists of Miranova Condominiums and Miranova Corporate Tower, located at 1 and 2 Miranova Place respectively.
The Wall Street Assay Office is a historic commercial building related to precious metal mining in the western outskirts of Boulder, Colorado in an area known as Wall Street. [2] Once a thriving mining town in Boulder County's foothills area, Wall Street is now home to a few dozen residential properties scattered among the remnants of the Storm ...
In this November 1989 file photo, Tommy Thompson holds a $50 pioneer gold piece retrieved earlier in 1989 from the wreck of the gold ship Central America. (Lon Horwedel/The Columbus Dispatch/AP)
The East Town Street Historic District is a historic district in Downtown Columbus, Ohio.The site was listed on the National Register of Historic Places in 1976 and the Columbus Register of Historic Properties in 1982; the district boundaries differ between the two entries.
The 1851 Humbert $50 gold ingot was an Ingot produced by Moffat and Company, under the direction of Augustus Humbert (U.S. Assayer of the treasury) [1] This "coin", while technically an ingot, was still used and unofficially considered currency. It was also the largest ingot produced during the California Gold Rush, weighing almost 2.5 oz.
The United States Assay Commission was an agency of the U.S. federal government from 1792 to 1980. Its function was to supervise the annual testing of the gold, silver, and (in its final years) base metal coins produced by the United States Mint to ensure that they met specifications.