Jan Jansz Westerbaen (after) ( 1600 - 1686 ) was a Dutch painter. Jan Jansz Westerbaen (after) s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 1365.39 USD for A PORTRAIT OF A LADY, AGED 23, HALF LENGTH, WEARING A BLACK VELVET DRESS WITH A LACE COLLAR AND CUFFS, HOLDING A FAN IN HER LEFT in 2007