They owned a fine art foundry specialized in casting and chiseling, which was located in Paris, rue du Temple.
In 1809 he was admitted to take part in the prix de Rome competition but he suffered from a bad chest condition[2] which forced him to give up sculpting altogether.
Thereafter he was appointed by Napoleon the 1st's government to execute the medal L'aigle français sur la Volga under Dominique Vivant Denon's supervision.
During the first Restoration, a competition for coin-engraving perfection was set up on 2 August 1814, which aimed to redefine the type of coins in use and henceforth to redesign the next monetary system.
He won the contest[5] over six older and more experienced medallists ( Bertrand Andrieu, Nicolas Guy Antoine Brenet, Jean-Pierre Droz, Nicolas Marie Gatteaux and Pierre-Joseph Tiolier) than he was; 9 December 1815 decree stated that Michaut's patterns should substitute the older ones and new coins be minted from 1 January 1816.
The type he executed for a French five Franc coin ( écu) received great praise from the art critique Edmond About: " when this écu is thrown onto the counter of a tradesman without one being aware a masterpiece is being spent" and also from Thérèse Vallier as she celebrated engraver Hubert Ponscarmes,[6][7] who said:«During the Bourbon Restoration, Glyptics continued to be considered important thanks to pompous academics.
[8] Thereafter Auguste François Michaut was called to the Court of Holland to execute gold and silver medals/coins, great official seals for the State and various medals.
Auguste-François Michaut signature occurred on the following coins: Furthermore, he produced several other medals including the one that celebrated the union of Holland with Belgium (1815).
[19] He sustained serious injuries to his hands caused by the fire of his home, this had made the process of handling tools extremely difficult for him.
He nonetheless endeavoured to overcome what constituted a major hindrance for him by entering a competition for Louis-Philippe's bust on medals but the king did not grant him the particular session that had been arranged for him by the Minister of Finance, judging every participant should deserve the same chance.
He made a living out of annuities, rents from the various apartments he owned in Versailles and Paris and a 300 francs yearly housing pension he had been benefiting since 1832 emanating from the Fine Art and Science Office attached to the Ministry of Trade and Public Works.
A commission was eventually constituted in Versailles, whose function was to supervise the making of " a monument à l'Abbé de l'Épée".
The monument, which has been displaced[25] many times, stands today on the site where it initially was, Saint Louis Cathedral square in Versailles.