Charles Etienne Pierre Motte ( 1785 - 1836 ) was a French painter. Charles Etienne Pierre Motte s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 179 USD for Traité de Leoben in 2004 to 3585 USD for Mariage de Napoleon; and twenty plates from the same series in 2004 , based on the size and medium of the artwork.