This Jack Skellington box set was released in commemoration with Funko's 25th Anniversary.
Description from Funko.com:
This exclusive collectible comes on a detachable base and is packaged in a silver-tone window box, which nests within a tin, protective case. The tin case is lined with a black, velvety cushion, and has been embossed to resemble a vault door, which opens on a hinge to reveal Pop! Jack Skellington!
This Pop! Classics figure also includes an enamel Pop! Pin and a stainless-steel Pop! Coin, both featuring Pop! Jack Skellington’s face, as well as a foil Certificate Card detailing his biographical information. Only 25,000 of this limited-edition collectible were made! Vinyl figure is approximately 4.65-inches tall.
