Brt-1279. Wt = 3.21g. Diam = 20.0-20.2mm
Stevens Collection

Wt = 3.24g. Diam = 20.3-20.5mm
Stevens Collection

Photo from Baldwin, sale 84 (Fore), lot 1900

Wt = 3.37g. Axis = ↑↓
Photo from Noonan 8^th Feb ’23 (Puddester), lot 433

Wt = 3.24g. Diam = 20mm
Photo from Zeno 277415, posted by Lingen