A 15-year-old from Illinois has made headlines in the coin collecting world with a shocking discovery—an ordinary-looking Roosevelt Dime taped to an old postcard turned out to be a rare mint error now valued at a staggering $600,000. How a Postcard Led to a Six-Figure Discovery While helping clean out their late great-grandparent’s attic, the … Continue reading Teen Discovers Rare Roosevelt Dime Worth $600,000 Taped to a Vintage Postcard