MCE-2687. Wt = 11.06g.
Stevens Collection

Wt = 11.15g
Photo from Vauctions, sale 330, lot 734

Wt = 11.03g. Diam = ~20.2mm
Photo from Zeno 215440, posted by Lingen

Wt = 11.10g. Diam = ~20-21mm. NB symbol to right of RY
Photo from Zeno 215439, posted by Lingen