15th-16th century AD. An agate finger ring comprising a keeled D-section hoop with knop to the underside, stepped shoulders, scaphoid bezel. Cf. Chadour, A.B. Rings. The Alice and Louis Koch Collection, volume I, Leeds, 1994, item 551 for type. 8.93 grams, 32.28mm overall, 17.59mm internal diameter (approximate size British M 1/2, USA 6 3/4, Europe 13.09, Japan 12) (1 1/4"). From an important North West London collection; acquired in the late 1980s-early 1990s. Fine condition, minor usage wear.