Handmade charm necklace featuring a vintage style postmark charm of Yellowstone National Park, which includes the date the park was created. The necklace features a mixed metal finish of antique brass and silver with a silver key, brass feather, and natural turquoise stone. The charms are on a lobster clasp charm holder and can easily be removed, giving your customer additional options. Chain length: 30" aluminum ball chain with ball chain connector and antique brass lobster claw charm holder Dimensions: Bubble charm: 3/4" diameter Silver Key: 1 1/2" long Handmade in our Minnesota studio.