Vintage Japanese Moriage 5-Piece Sake Cup Set with Lithopane Geisha

Description

Set of 5 vintage sake cups featuring Moriage, a type of clay painting, layered to create a 3D effect, of a man and woman.  The cups also feature lithopane, etched or molded at the bottom to show portraits of famous geisha when light shines through.  One cup is half again larger than the other four cups.
Four cups are in good condition and one of the smaller cups that has developed a crack.