LSI-20080. Wt = 5.1g. Diam = ~18mm
Photo from Zeno posted by Capricorn

Diam = ~18mm
Photo rom Zeno posted by Bacchus

Wt = 5.56g. Diam = 17-18mm
Photo from Zeno posted by Lingen

Wt = 5.97g. Diam = ~15.5mm
Photo from Zeno posted by Ansari