FERDINAND VICTOR LEON ROYBET ( 1840 - 1920 ) was a French painter. FERDINAND VICTOR LEON ROYBET s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2894.88 USD for PORTRAIT OF A CAVALIER in 2003 to 153063.48 USD for Tambourine girl in 2005 , based on the size and medium of the artwork.