| H.D. 2 | 
Germany, fl.1590-1601, MIM | 
Diptych Sundials, ivory = LOU (1590), MERC-75 (1590), MERC-56, Palazzo Madonna, Turin (1595), NMM (1597), ADL-DPW29 (1597), SPL (1601), OXF (1600), OXF, OXF (1595), WRAY, ROM, KEN, BM, Koller 11/17/75, Huelsmann Coll., Bearne's 2/12/92, etc.  | 
the snake was the mastermark of Hans Ducher 2 and 3; the OXF dial and some others also have a distinctive thrush; see Hans Ducher 2 and 3.  | 
Nürnberg.  | 
Zinner 1; Price 2 & 3; Ward 1 & 4; NMM 2; Michel 3; Gouk 1; Syndram; ADL; RSW.  | 
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