Brt-1260. Wt = 6.57g. Diam = 24.8-25.0mm
Stevens Collection

Wt = 6.29. Axis ↑↓
Photo from Noonan 8^th Feb ’23 (Puddester), lot 423

Wt = 6.73g. Diam = 25.9mm
Photo from Zeno 277439, posted by Lingen