Carl Gustave Salamon Von Bonstetten Von Mestral ( 1807 - 1886 ) was a painter. Carl Gustave Salamon Von Bonstetten Von Mestral s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 375.41 USD for The letter in 2008 to 5169.7 USD for Blick auf Neapel und den rauchenden Vesuv. in 2014 , based on the size and medium of the artwork.