Adolphe De Siebenthal ( 1895 - 1958 ) was a Swiss painter. Adolphe De Siebenthal s works have been put up for auction numerous times, with realized prices varying from 435.25 USD for Paysage de Bretagne in 2008 to 463.32 USD for Sommerliche Landschaft. in 2012 , based on the size and medium of the artwork.