Vintage Japanese Export 1920s? Bamboo & Bovine (Cattle/Oxen) Bone Mahjong Tile Game Set Inventory- Wooden box with shell? inlay 153 Bone and Bamboo Tile: *36 Craks *36 Dots *36 Bams *4 Flowers *4 Seasons *18 Wind *12 Dragon *7 Blanks 2 Bone coffins with dice 3 Ming Jars with 4 wind disks ~117 sticks I have no way of knowing the exact age, however my research leads me to believe this is about 100 years old. Please do your own research as well. smoke free home.