Ferry Slebe ( 1907 - 1994 ) was a Dutch painter. Ferry Slebe s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 377.44 USD for Amsterdamse gracht in 2004 to 3660.21 USD for Zelfportret met feestende clowns in 2006 , based on the size and medium of the artwork.