5oz Silver Stacker Round by Scottsdale Mint – First Release Inaugural Year w/ COA and Serial # 470 silver Stacker ® round. 999 Fine SilverUltra High Relief Artwork – Stacks and Locks”LIMITED EDITION”Inaugural Year – First ReleaseWith Serial Number and Certificate ofAuthenticity strictly limited mintage of 499 pcs. Notable FeaturesUltra High relief strike is beautiful and functional All sizes have the same diameter so they can be stacked interchangeably (2oz, 100g, and 5oz)Fits in a standard 39mm diameter plastic coin tubeOnly a very limited amount of these FIRST RELEASE strikes were offered. Each size of this First Release run is strictly limited to a mintage of no more than 499 pieces.