Anne Vallayer Coster ( 1744 - 1818 ) was a French painter. Anne Vallayer Coster s works have been put up for auction numerous times, with realized prices varying from 307200 USD for A vase of flowers and two plums on a marble tabletop in 2005 to 822929.01 USD for PORTRAIT D'UNE VIOLONISTE in 2015 , based on the size and medium of the artwork.