Knowledge Base Products What is “junk silver”? Article sections “Junk silver” refers to any silver product containing 35%-90% silver (i.e., pre-1965 U.S. dimes, quarters, and half-dollars). Last Updated: 3 years ago in Products Related Articles Why are the diameters of 1 oz coins and rounds different? How much is my coin worth? Can I swap the Starter Pack product for something else? Upcoming Product Releases Are your products authentic? What’s the difference between “UCAM” and “DCAM”?