A key date 2012 U.S. Mint silver proof set. This set contains the proof coins produced for that year. Metal composition of the silver coins is 90% silver. Total Weight: of silver coins is: 46.25 grams. Presented in the original mint packaging which is approximately 5 1/2″ × 3 1/2". The coins are uncirculated.
- the coins are uncirculated.
- measurement of the shipping box.