xs2x。According to AI research- This type of decorative hair comb became popular during the late Victorian and Edwardian eras, continuing through the Art Deco period of the 1920s-1930s. The combination of natural abalone shell with celluloid or early plastic materials represents the transition period when traditional craftsmanship met modern manufacturing techniques. These combs were both functional hair accessories and decorative pieces, often worn for special occasions or as everyday adornments. Decorative hair combs with natural shell inlays are highly valued by vintage fashion collectors, hair accessory enthusiasts, and those interested in early 20th-century decorative arts. The iridescent quality of abalone shell, combined with the warm burgundy tones of the celluloid, creates an elegant aesthetic that appeals to collectors of vintage jewelry and fashion accessories. Such pieces are appreciated for their craftsmanship, natural beauty, and representation of historical fashion trends.