The coin, a small disk of copper and silver with a square hole in the center so it could be worn on a belt, is called “Yongle Tongbao” and was issued by Emperor Yongle who reigned from 1403-1425AD during the Ming Dynasty.
The emperor’s name is written on the coin, making it easy to date.
Zhang called the police after the discovery and the coins were taken away by heritage inspectors.
The hoard of coins was buried in a hole about 50cm deep and 60cm wide, Zhang said.Some were round with square holes, others were spade-shaped, and there were smaller ones the size of buttons.According to Postmedia News, the coin appears to have been minted during the Qing dynasty reign of the Manchu emperor Kangxi, who ruled China from 1662 to 1722.Other information on the coin shows it could have been minted between 16 in Zhili province, around where modern-day Beijing is located.The Chinese Numerals Japanese is one such language which doesn't use Arabic numerals (0, 1, 2...).
Japanese uses a number-writing system that is shared with the Chinese language, and is generally referred to as the Chinese numerals.
"The coin adds to the body of evidence that the Chinese market connected with Yukon First Nations through Russian and coastal Tlingit trade intermediaries during the late 17th and 18th centuries, and perhaps as early as the 15th century," the statement said.
Chinese coins were brought back by Russians when they traded furs with the Chinese in exchange for their goods, the statement said.
The farmer said that during the 1980s, his family had also dug up another 80kg of similar coins, which they later sold off as regular copper.
A joint expedition of scientists led by Chapurukha M. Williams of the University of Illinois at Chicago has unearthed a 600-year-old Chinese coin on the Kenyan island of Manda that shows trade existed between China and east Africa decades before European explorers set sail and changed the map of the world.
The symbols used to represent 0 through 10 are pictured below, with their European/Arabic equivalent: Numbers above (and including) 10 are not made by combining individual digits, like in the Arabic numeral system.