Unicorn Swirl Pendant by St Justin of Penzance Unicorn Swirl Pendant this beautiful pewter Unicorn pendant is sure to delight all lovers of this mythical creature. Hangs on an 18″ tin-plated or surgical steel curb chain. Height: 28mm Width: 21mm Chain length: 18inch (45cm) Supplied in a satin and velvet-lined gift box. The venerable alloy of pewter is made of 92% tin, with copper and antimony to harden it and enhance casting. All of our St Justin Pewter products are LEAD FREE.Component information - Snake chain - Tin plated Brass.