Set of 12 Moser "Alexandrite" Art Deco goblets

Set of 12 signed Moser "Alexandrite" hand blown crystal goblets. These lavender colored glasses actually change color in different light spectrums, ranging from lavender to a smokey blue. The shape is simple, with drawn stems, optic ribbed bowls and the elegant "Art Deco" lines for which Moser was renowned.
7 7/8" tall, ca. 1920's