Central reports auction prices realized. Controversies Since at least 2016, NGC has been frequently criticized for its slow and unpredictable grading times and misattributed holders. In 2018, in what is termed the "Red Dragon Incident" (zh: 红龙事件), CEO Steven Eichenbaum (a former Tennis camp director) hired supposed Taiwanese numismatic expert Chen Gi-Mao, who encapsulated hundreds of fake Chinese coins in NGC holders. Some of these had a Red Dragon on the label and are easy to identify. NGC coins often fail to achieve high market prices compared to rival PCGS as a result. External links Official site References Coin grading Companies established in 1987