A seemingly ordinary Sacagawea dollar has taken the coin collecting world by storm after selling for a staggering $690,000 at a major U.S. coin auction. The secret behind this record-breaking sale? A rare and unusual experimental rim—a feature seen on only three known coins from the series. What Makes This Sacagawea Dollar So Valuable? On … Continue reading Rare Sacagawea Dollar With Experimental Rim Sells for $690,000 — Only 3 Known to Exist