Folkema, Jacob, Portrait of an unknown clergyman, verso - stamped, bareheaded. Knee-length portrait, sitting in a chair turned to the right. With his left hand the clergyman makes a blessing gesture, his right hand rests on his chest., print, prints, height 265 mm, width 202 mm, Dutch, 1692 - 1767, print maker, printmaker, 1702 - 1767, paper, papier, etching, etchings, engraving, engraving (printing process)