Mog-564.
Photo from Zeno posted by Mervin
Wt = 20.3g. Diam = ~20mm
Photo from Zeno posted by lavrinenko
Wt = 19.3g. Diam = ~21mm
Photo from Zeno posted by numismatica44
Wt = 20.1g Diam = ~20mm
Photo from Zeno posted by bimalt
Wt = 20.13g. Diam = ~21.5mm