There are 4 blanks. The tiles look to be made from bone and bamboo. Antique Mah-Jong Set. I don't know the age, other than it is old (Maybe 1920's??).
1920's Antique Mahjong Set with 145 Bone & Bamboo Tiles and Instruction Booklet
Antique Carved Mah Jongg Bone and Bamboo Tiles 1920s Winds
Antique Carved Mah Jongg Bone and Bamboo Tiles 1920s Winds
1920S MAHJONG SET - Includes Bone 148 Tiles 120 Sticks Dice
Mahjong Tiles Bone for sale
Vintage 1920's Bamboo Dovetail Mah Jongg Set 147 Tiles
The Mahjong Q&A Bulletin Board
There are 4 blanks. The tiles look to be made from bone and bamboo. Antique Mah-Jong Set. I don't know the age, other than it is old (Maybe 1920's??).
1920's Antique Mahjong Set with 145 Bone & Bamboo Tiles and Instruction Booklet
Bone Bamboo Mahjong
Antique Mahjong Set In Vintage Manufacture Board & Traditional
FAQ 7g: Determining the Age of a Mah-Jongg Set
Mahjong Tiles Bone for sale
FAQ 7h: Value of Mah-Jongg Sets
Mah Jong Tile 1920 Year Vintage Manufacture Board & Traditional