2nd-3rd century A.D. A limestone cabochon with aquila motif in later gold finger ring with carinated heart-shaped shoulders, thick cell to the bezel. Cf. Chadour, A.B., Rings. The Alice and Louis Koch Collection, volume I, Leeds, 1994, item 350, for type. 9.31 grams, 24.11 mm overall, 18.27 mm internal diameter ( approximate size British P 1/2, USA 7 3/4, Europe 16.86, Japan 16) (1 in.). German art market, 1990s. Mr A.H., a North American collector living in the UK. [A video of this lot is available to view on Timeline Auctions .]