Brt-1271. Wt = 3.25g. Diam = 20.1-20.2mm
Stevens Collection

Wt = 3.06g. Diam = 20.3-20.4mm
Stevens Collection

Wt = 3.26g. Diam = 20.3mm
Photo from Zeno 78224, posted by CyberNumis

Wt = 3.24g. Diam = 20mm
Photo from Zeno 276485, posted by Lingen