Theodor Dirk Valkenburg ( 1675 - 1725 ) was a Dutch painter. Theodor Dirk Valkenburg s works have been put up for auction numerous times, with realized prices varying from 14127.94 USD for PORTRAIT OF A YOUNG GENTLEMAN, HALF LENGTH, WEARING A BROWN JACKET AND RED CLOAK, HOLDING A BOOK, A CLASSICAL LANDSCAPE BEYOND in 2006 to 17158.54 USD for STILL LIFE WITH DEAD GAME AND AN ORNATE VASE in 2008 ,