Watch List notes:

COINS, 錢幣, CHINA - HONG KONG, 中國 - 香港, Elizabeth II: Error 錯體 Copper-nickel 50-Cents, 1977, instead of issued nickel-brass 錯金屬胚餅, 3.62g (KM 41). Brilliant uncirculated, rare.

Estimate: US$200-250