Geisha dolls in a glass dome mid-20th century

Two small geisha dolls in a glass dome; vintage; mid-20th century; the geishas stand on a wooden base and are presumably made of wax and safely stored under a glass dome; on one underside an old sticker (price tag?); one figure is very dusty and would need to be cleaned (see photos); traces of use according to age; dimensions: approx. 11 cm high / ⌀ 5 cm