Mog-7700c. Wt = 11.12
Stevens Collection

Wt = 11.55g. Diam = ~22.4mm
Photo from Amit Mehta

Wt = 11.55g. Diam = ~22.5mm
Photo from Amit Mehta

Wt = 11.00. This could be any mint
Stevens Collection

Wt = 11.06. This could be any mint
Stevens Collection