X-Radiograph Description: Negative X-Radiograph Settings: 40 kv; 3.1 ma; 40 sec (Whelte) Burroughs Number: 582 X-Radiograph(s) of: Artist: Dutch School Artist: Att. once to Hals, Frans, Dutch, ca.1581-1666 Title: Male Portrait Date: ca.1610 Owner: Stadel Museum, Frankfort Object Number: 178