Brt-431b. Wt = 4.73g. Diam = 22.9-23.3mm. Obv not clear but large dot in centre of divider

Stevens Collection

 

Wt = 4.49g. Diam = 23.0-23.3mm. Axis ↑↑. Stop after X not clear

Both the examples shown may be from the same obverse die as F1/IV

Photo from Bob Johnston