The weight varies between 4.0 and 4.1 grams, and the purity is unknown (billon .400 is used).
Verieties:
- Y# H13.1 (1929) Obverse with dot between symbols at inner circle, lotus petals joined. Reverse with dot between characters at inner circle. Previously Y# 13.10.
- Y# H13.2 (1929-1930) Obverse similar to Y#H13.1. Reverse similar to Y#H13.1 but Northeast character in retrograde.