Gucci perfume bottle necklace

Gucci perfume bottle necklace , gold tone . Fair. 30” circumference approx. Necklace and pendant does show signs of wear like fading, discoloration, tarnish. Metallic smell inside bottle. Which yes, does unscrew and open. Scratches . Sold alone, as is. Flaws are those that are noticeable when examining. From A distance , these flaws will be harder to see. Yes, authentic .