MCE-15202. Wt = 6.54g. Diam = ~19-20mm

Photo from Zeno posted by xpoleg

 

Wt = 6.21g. Diam = ~20mm

Photo from Zeno posted by Edward Medlin

 

Wt = 6.36g. Diam = ~19mm

Photo from Zeno posted by VicN