Star Wars - Darth Vader Lanyard BeadID#27122
The material is tin-containing alloy. It can be used for making food utensils and body jewelry. Has good hardness. Visually looks like silver. Blackening falls in the same way as on silver. Does not oxidize over time.
Execution blackened silver.
Two options: blackened and polished (write in the comments to the order)
The bead is sold without a lanyard.