Brt-158.
Photo from Zeno 186376 posted by Lingen

Wt = 11.47g
Photo from Noonan 8^th Feb ’23 (Puddester), lot 68

Wt = 11.14g
Photo from Noonan 8^th Feb ’23 (Puddester), lot 69

Wt = 11.50g. Diam = 23.1-23.7mm
Photo from Bob Johnston