This is the antiqued version of this design, the polished one you can find over here: https://farjil.com/products/human-skull-with-carpe-diem-plaque-necklace-heavy-metal-jewelry
Carpe Diem means "seize the day" in latin so this design can be a nice reminder for you, so that you do not ever forget!
Material: Lead free pewter
Length: 28 mm (a bit over an inch)
Weight: 12 grams