If you're a coin collector or are interested in becoming one, you can find some fascinating choices by expanding your search to Japan. ... Sado Koban Gold Shield: $75,000.

To celebrate 350 years, Mitsukoshi department store’s main Nihonbashi shop in Tokyo will start selling a set of sweet buns powdered with gold dust and “koban” coins made of pure gold on ...

Sixty years ago, 3 types of gold coins from the 17th and 18th centuries were discovered at a construction site in downtown Tokyo. They were made in the Edo period, and are called 'koban.' Their ...

The coin at first bore kanji characters reading "senryo." "Senryo" is equal to 1,000 koban gold coins, but also means a great amount of money or something very valuable. The characters were ...