1606 Japanese Copper Coin - 1 Mon Kei-Cho Tshi-Ho

The 1606 Japan 1 Mon coin, also known as Keichōtsūhō, was minted during the Keichō era under Emperor Go-Yōzei. This copper coin features a brown color and is circulated, indicating it has been used in commerce. It is uncertified and ungraded, with a denomination of 1 Mon and a reference number KM#5 and DHJ#3.40-3.42.

This historical coin is a part of Japanese numismatic history and serves as a tangible representation of the Keichō era during the early 17th century.