May I ask the master! What age is this mahjong? What kind of material is it?

This deck of mahjong tiles should have several hundred years of history, the material from the picture looks like it should be like a small-leaf rosewood material, from the craftsmanship should be completely handmade and made from a small flower pattern from the point of view of a long history, from the overall point of view it should be the 20s/30s (or even earlier) the big families to have, the picture below is the folk with the cards of the 50s and 80s, to the 90s, after it is from the automatic mahjong machine with bamboo silk tiles. After that it's from the automatic mahjong machine bamboo silk with tiles ......