Set of 2 pearl necklaces in different sizes,

Bundle of 2 pearl necklaces, graduating in size, of which 1x cultured pearls 2.5-7 mm, L: 55 cm and 1x cultured and natural pearls 3-6.5 mm, L: 45 cm, clasps silver, of which 1x pearl missing and 1x snap broken, 20th century, signs of wear.