String of beads - Mali - Murano early 20th century

Set of 2 superb necklaces made from antique Murano glass trade beads (Venice, late 19th and early 20th century):
- 1 necklace of 47 beads; Total length: 67 cm, including 60 cm of beads, 85 grams;
- 1 necklace of 41 beads; 61 cm, including 53 cm of beads; 74 grams.
In total, 88 beads, most in good condition, with signs of age-related wear (see photos).
Recently strung on a black cotton cord, and harmoniously arranged, these 2 necklaces can be worn together or individually.
Total weight: 159 grams.