Lot of 3 vintage pots or vases for amaryllis bulbs

Lot of 3 vintage vases for amaryllis bulbs. The bulb is placed in the rounding of the vase, filled with water and the flowers grow without soil! Light green glass - small irregularities in the material like bubbles. A visible glow on a jar, see the photo and microphones shards that feel under the fingers but not visible. Very decorative and seasonal set. Once the bulbs have hatched, can turn into vases! Around 1950. Height 12.5 cm - base diameter 7.5 cm - aperture diameter 8.5 cm.