Yoon Byungryeol (尹秉烈), who was mobilized to Kamui Ccoal Mmine, at the Sorachi mining station of Hokkaido Colliery & Steamship Co., Ltd. in Hokkaido, Japan, brought these items with him when he returned. Of theseAmong the items, there are a bunch of coins which bindsbound together that includes 23 coins of 10 jeon coins & 3 coins of 5 jeon coins, and separatedly 5 coins of 1 jeon coins& 1 coin of 50 jeon coin.