Born in Switzerland, he came to America in 1844. Self-proclaimed professor of numismatics. Groux coins were included in five auction sales 1848 to 1874.
Author of Catalogue of Medals and Coins (1855).
Author of A Prospectus of a Numismatic History of the United States. The proposed three volume work was never published.
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Full title: "Catalogue of Medals and Coins. For the disposal of the best collection of Medals, Coins, and Numismatical Works in the United States. Catalogue of a grand collection of Coins and Medals..." by
This interesting pamphlet outlines a novel attempt to raise money by dividing his collection into 20 lots and offering them as prizes in a lottery. Ex. Eric P. Newman XI, lot 15867, sold by Heritage Auctions in November 2018.