How was Koban Forged?
Making Material Step 1: Sourced lower-purity gold, which contained unwanted base metals, was mixed with a salt and...
Making Material Step 1: Sourced lower-purity gold, which contained unwanted base metals, was mixed with a salt and...
Koban was a traditional Japanese currency, a gold coin that was used for approximately 260 years from the...
Ancient Period In ancient Japan, where the economy was based on barter, commodities such as rice, salt, and...