Prague, Sadeler, Aegidius, Portrait of Johannes Matthaeus Wacker von Wackenfels, verso lower left - stamped, Johannes Matthaeus Wacker von Wackenfels, diplomat, scholar and advisor at the Prague court, aged 63. The portrait is flanked by two allegorical figures (Mars and Pax) on pedestals. Above the portrait a ram's skull with fruit garlands., print, prent, prints, prenten, height 258 mm, width 175 mm, South Netherlandish, 1570 - 1629, print maker, printmaker, 1614 - 1614, paper, papier, etching, engraving, engraving (printing process)