sterlingsilver

I am new to the silver stacking community but already love it as a hobby and investment (long term). I have bought my first silver bullion pieces and now am looking into refining silver and casting it myself into bars to add to my collection. I have about 10oz of sterling silver. My questions...

Hi guys, I have just gotten into the hobby/investment of silver stacking I have done my research and purchased my first bar I have a few questions If I am collecting for both investment and hobby but leaning more toward the monetary investment side of things what is the best form of silver...