Denio Marca

The Wheat Penny, officially known as the Lincoln Wheat Cent, is one of the most beloved coins in American numismatics. Minted from 1909 to 1958, these coins feature Abraham Lincoln on the obverse and two wheat stalks on the reverse. While millions were produced, certain dates, mint marks, and varieties have become highly valuable. In … Read more

The State Quarters Program, launched in 1999, quickly became one of the most popular coin series in U.S. history. Each quarter honored a different state with unique designs, sparking widespread interest among collectors and the general public. While most state quarters are common, certain rare varieties and mint errors have become highly valuable. In 2026, … Read more

The Eisenhower Dollar, minted from 1971 to 1978, was the last large‑sized dollar coin produced by the United States Mint. Named after President Dwight D. Eisenhower, it also commemorated the Apollo 11 moon landing on its reverse. While most Eisenhower Dollars are common and circulate at face value, certain rare varieties and collector editions have … Read more

1982 No Mint Mark Dime is one of the most fascinating modern coin mysteries in American numismatics. Struck in Philadelphia without its usual mint mark, this coin slipped into circulation unnoticed and has since become one of the most sought‑after rarities. Collectors often refer to it as a “circulation accident,” and its story continues to … Read more

The Kennedy Half Dollar is one of the most iconic coins in American history. First minted in 1964 to honor President John F. Kennedy, it quickly became a symbol of national pride and remembrance. While most Kennedy Half Dollars are common, certain rare varieties and minting errors have transformed ordinary coins into treasures worth thousands. … Read more

The Sacagawea Dollars, first minted in 2000, was designed to honor Sacagawea, the Shoshone woman who guided the Lewis and Clark expedition. While most of these golden‑colored dollars are common and circulate at face value, a few rare varieties have stunned collectors with values reaching thousands of dollars. These coins are not only beautiful but … Read more

The Lincoln Wheat Penny, minted from 1909 to 1958, is one of the most iconic coins in American history. Known for its reverse design featuring two wheat stalks, it remains a favorite among collectors. While many Wheat Pennies are common and worth only a few cents, certain rare dates, mint marks, and varieties can be … Read more

The Sacagawea Dollar, first introduced in 2000, remains one of the most distinctive coins in modern U.S. history. Designed to honor Sacagawea, the Shoshone woman who guided the Lewis and Clark expedition, the coin features a golden hue and a unique design that set it apart from other dollar coins. While most Sacagawea Dollars are … Read more

The 1969‑S Doubled Die Lincoln Cent is one of the most remarkable error coins in American numismatics. For decades, collectors have searched tirelessly for this elusive penny, which has stunned the coin world with values reaching into the millions. While most pennies are worth only face value, the 1969‑S Doubled Die stands out as a … Read more

The 1776–1976 Bicentennial Quarter is one of the most celebrated coins in American history. Issued to mark the 200th anniversary of independence, it features a colonial drummer on the reverse and the dual date “1776–1976.” Millions were produced, but in 2026 collectors are still fascinated by rare varieties, minting errors, and pristine silver-clad editions that … Read more