Zheng was already an old hand at undersea work and had taken part in the 1986 salvage of the China Airlines Penghu crash, but this was his first experience with undersea archaeology. That made the coin's discovery especially meaningful to him.
雖然是水下作業的老手，也曾參與 1986 年華航澎湖空難的救援打撈，但對首次從事水下考古的鄭清文來說，找到「古錢」的意義非凡。