Purchased this when I visited the Crystal Skull at the British Museum in the UK. There is a small stain on the upper left front, but it was there from the beginning. Good luck charm, ward against evil, amulet, protection Size: Height: 4.0cm, Width: 3.0cm (excluding the chain) - Measurements are approximate due to being taken by a layman. Please consider purchasing only if you understand that this item has been stored at home. Thank you for looking.