Winckelmann-Gesellschaft/Winckelmann-Museum, Stendal (Landkreis), Deutschland, Inv.-Nr. WG-G-1-6-Cl IV,39
Other Mithridates gems discussed in my 2018 publication on glass pastes.
Another impression of the Florence specimen kept in the Louvre
Intaille en améthyste. ex. Medici collection.
Liv Mariah Yarrow 