Three onyx tealight holders from the 70s

Set of three tealight holders in the shape of stemmed glasses. Work from the 70s - 80s. Manufactured in onyx in ivory and brown ocher tones. Very good overall condition. Very rare and very discreet traces of use in places (see photos and zoom in). For a tea light type candle. The total height of a tealight holder is 12.4 cm. The total diameter of a base is 7 cm. The price shown is for all three tealight holders. Tea light type candles are not provided.