(t) CHINA. Tibet. Sho, Year 58 (1793). PCGS Genuine--Environmental Damage, EF Details Gold Shield.
L&M-637; K-1458a; KM-C-72; WS-0200. The "environmental damage" is the area of heavy toning from 1 o'clock to 4 o'clock which is verging on corrosion.
Estimate: $100.00- $200.00