Traditional Mahjong set with storage box. A very rare antique Mahjong tile set, known as "Koppai" (bone tiles), a combination of "gyukotsu" (cow bone) and "take" (bamboo), from the "Shiba Kyu" brand. These old Mahjong tiles, made of natural materials, are housed within. They are traded as Chinese art objects. Considered a very rare item. ・Materials Mainly made of bone (such as cow bone) and haitake (bamboo skin). ・Manufacturing Made in China, with a unique handmade texture. ・Accessories Score sticks, 4 dice, and a Karaki (hardwood) box. The condition of the outer box, Mahjong tiles, and score sticks shows age-appropriate wear and tear, such as scratches and discoloration, due to their antique nature, but there appears to be no significant damage. Made in China Bone and bamboo Mahjong tiles With Karaki box Vintage Showa retro Original item from the time Mahjong tiles Antique Antique Traditional crafts Fine art Bamboo inlay Koppai (bone tiles) Haitake tiles China Shiba Kyu