Two antique necklace first half of the 20th century

Old mourning jewellery; first half of the 20th century - Two antique necklaces with differently shaped French Jet beads (black glass); no clasp; traces of use according to age (see photos); dimensions long necklace: total length approx. 62 cm / 75.9 g - dimensions short necklace: total length approx. 39 cm / 42.9 g