1oz, 10oz, or 100oz bars? Here's which one to stack. 1oz: Easy to sell. High premiums. Good for beginners. 10oz: Lowest premiums in small sizes. Harder to sell all at once. 100oz: Rock-bottom premiums at 2-4% over spot. Serious stackers only. #Silver #SilverBars #1ozBar #10ozBar #100ozBar #BarSizes