Brt-18. Wt = 1.03g. Diam = 10.0-10.3mm

Stevens Collection

 

Wt = 0.95g. Diam = 8.7-9.4

Photo from Bob Johnston

 

Wt = 0.97g. Diam = ~8.5mm

Photo from Marudhar Arts, sale 24, lot 391

 

Wt = 0.89g.

Photo from Bombay Auctions, sale 10, lot 774