Jean baptiste Charpentier (attributed To) ( 1728 - 1806 ) was a French painter. Jean baptiste Charpentier (attributed To) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from USD for in to 15600 USD for Portrait of a gentleman, half-length, in a brown coat, holding a letter in 2005 , based on the size and medium of the artwork.