Discover the creative process behind two unique DIY coin sorting machines in this comprehensive tutorial. Learn how to build ...

Richard Colonna of Quantitative Collectors Group (QCG) — has developed a first-of-its-kind device designed to transform how ...

Abraham Lincoln was three years away from being elected president when the half-cent coin was discontinued as an official ...

After relying on subjective third-party graders for decades, collectors will soon have access to scientific coin analysis.

Coin collecting can feel like stepping into a glittering treasure hunt where history meets opportunity. Beyond the charm of owning tiny artifacts from distant eras, many collectors are drawn by the ...

A fun short that brings Mario’s world into reality, complete with real-life coin collecting and playful movement. Trump’s moves against Venezuela sound familiar for a reason Blue Jays’ Max Scherzer ...

🛍️ The 121 best Amazon Black Friday tech and gadget deals 🛍️ By Laura Baisas Published Oct 6, 2025 10:18 AM EDT Get the Popular Science daily newsletter💡 ...

Alexander Calder, Untitled, circa 1938. Wood, rod, string and paint; 21 × 53 × 13 in. (53.3 × 134.6 × 33 cm.). Estimate: $1.5-2 million. Courtesy of Christie's Behind this consignment is Max Berry, an ...

As the American Numismatic Association concludes its annual convention – dubbed the “World’s Fair of Money” – this weekend in Oklahoma City, the coin-collecting community continues to be plagued by ...

Coin collectors are unsure how the end of penny production will affect their hobby, though experts predict little value from the coins. The U.S. Mint ceased penny production in May, and the Treasury ...

If you want to sell part or all of your rare coin collection, you’ll naturally want to get the maximum value. Finding the best place to sell rare coins can go a long way toward pocketing what you ...