西藏道光元年银币,PCGS XF 45。Tibet, Dao Guang, 1-Sho, 3.71g, 1st year, 28 beads, 14 both sides of date, one bead above the lower right stroke of the character yuan, rev. 28 beads, 14 both sides, legends as before (YZM 203-207; KM. C#93; LM 647var), PCGS XF45, scarce