The Scottsdale Silver Stacker® Round combine an ULTRA HIGH RELIEF STRIKE with the beautiful modern contemporary design of the Scottsdale Mint hallmark Lion. Available in 3 sizes, these Silver Stacker® Rounds feature a concave inter-locking 3D design, allowing each unit to stack and lock on one another. Each Stacker® Round is 39mm in diameter and fits nicely in a coin tube. Struck in .999+ silver