This blue opaline glass vanity set dates to the late 19th to early 20th century, during the Art Nouveau period when decorative glass items for dressing tables became fashionable in middle and upper-class homes. The set features the distinctive blue milk glass with gold decorative elements that was popular during this era.

Vanity sets like this one are highly sought after by collectors of vintage glass, particularly those specializing in opaline or milk glass. The vibrant turquoise blue color makes this set especially desirable, as most milk glass produced was white. Collectors value these pieces for their decorative appeal, historical significance, and the craftsmanship involved in creating the gold detailing against the opaque blue background.