Table 1 Statistics of coins excavated from the Maritime Silk Road over the years

From: An archaeometallurgical study of Ming Dynasty (1368–1644 AD) coins from the North Reef, South China Sea

Age

Coin type

Quantity (pieces)

Explanatory note

Tang Dynasty

(618–907)

KaiyuanTongbao, QianyuanZhongbao, etc.

3248

Among them, 3085 pieces are Kaiyuan Tongbao.

Song Dynasty

(960–1279)

HuangSongTongBao

and 25 other coins.

63,022

 

Yuan Dynasty

(1279–1368)

ZhizhengTongbao, etc.

109

 

Ming Dynasty

(1368–1644)

HongwuTongbao, YongleTongbao.

93,928

Among them: Hongwu Tongbao’s 20,173 pieces,

YongleTongbao 73,755 pieces, totalling 93,928 pieces.

  

Total: 160,307.

 
  1. The data in Table 1 are from refs. [10,11,12].