Blog
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How to Spot a Real 1909-S VDB Lincoln Cent vs Common Counterfeits
A genuine 1909-S VDB Lincoln cent has a small serif S with a raised dot inside its top curve. Most fakes are added-mintmark jobs on common 1909 cents. Read more
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How to Use PC59 Cataloging for Canadian 1859 Cent Varieties
PC59 cataloging numbers each 1859 Canadian cent by its die pair. The system spans PC59-1 to PC59-248. Haxby built it from die markers. Read more
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Coinara vs CoinSnap vs Coinoscope: which wins for identification
Coinara is the most accurate coin identifier app for iPhone in 2026. It beats CoinSnap and Coinoscope on value accuracy and ancient coin coverage. Read more
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Russian Ruble Imperial to Soviet: Year-by-Year Identification
Russian ruble identification starts with the date and mint mark. Imperial coins name the tsar; Soviet rubles show the hammer and sickle. Read more
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Heritcoin App vs Coinara vs CoinSnap: 2026 Coin Identifier Comparison
The best coin identifier app depends on what you collect. Coinara leads on US variety detection, CoinSnap on world coins, Heritcoin on collection display. Read more
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15 Tipped Coins Worth Hundreds: Coffee Shop, Bar and Cashier Finds
Tipped coins worth hundreds show up in coffee shops, bars, and cash drawers regularly. Always check the date, mint mark, and silver ring. Read more
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16 Most Valuable Australian Kookaburra Variants for Collectors
The most valuable Australian Kookaburra coins are early Perth Mint dates and privy-mark editions. Mintage, size, and grade decide every premium. Read more
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How Accurate Are Coin Identifier Apps on iPhone? Real Test Results
Coin identifier apps on iPhone reach 90 to 95 percent accuracy on common circulation coins. Rare varieties and heavily worn pieces still fool them. Read more
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20 Most Valuable Lincoln Cents Ever Sold at Auction
The most valuable Lincoln cent ever sold is the unique 1943-D bronze cent at $1.7 million. Rare mint errors and key dates drive these record auction prices. Read more
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Japanese Yen Coin Collecting: Modern and Historical
Japanese yen coin collecting spans Meiji silver dragons to modern 500-yen coins. Dates use emperor-era years, not Gregorian numbers. Read more
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18 Canadian Silver Dollar Varieties Worth Money 1935 to 1967
The 1948 voyageur is the key Canadian silver dollar, worth thousands today. Varieties from 1935 to 1967 hide real money. Learn how to identify each one. Read more
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1840 Large Cent Lamination Error: Identification Reference
An 1840 large cent lamination error is copper peeling away in thin layers from a flawed planchet. Crude 1840s refining trapped gas and debris. Read more
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How to Use a Coin Identifier App on iPhone: Step-by-Step Beginner Guide
Identify a coin on iPhone by photographing both sides in bright light. A good app suggests a match in seconds. Always verify before trusting the value. Read more
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Coin Slabs vs Raw Coins: Which to Buy in 2026
Slabbed coins guarantee grade and authenticity for serious buyers. Raw coins cost less but demand real expertise before you pay. Read more
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Indian Mughal Coin Identification for Collectors
Mughal coins are identified by Persian inscriptions, mint name, and Hijri date. Gold mohurs and silver rupees carry the emperor’s name in calligraphy. Read more
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How to Tell the Difference Between Sterling and Coin Silver
Sterling silver is 92.5 percent pure while US coin silver runs 90 percent. The 2.5-point gap shows up in hallmarks, weight, density, and patina. Read more
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20 Most Valuable Eisenhower Dollars Ever Sold
The most valuable Eisenhower dollar ever sold is the 1976-S Silver Bicentennial PR70 at $7,000+. The 1972 Type 2 trails just behind in record books. Read more
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How to Identify a 1942 Over 1 Mercury Dime Overdate Error
The 1942/1 Mercury Dime is a true overdate variety from Philadelphia. Look for the curved underdigit base inside the 2 to confirm authenticity. Read more
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18 Mint Error Coins You Could Find in Pocket Change: Overstrike, DDO and Off-Stamp
The 1955 DDO cent, 1969-S DDO cent, and 2004-D Wisconsin extra-leaf quarter still surface in pocket change. Most cashiers and roll hunters miss them daily. Read more
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How to Tell if a Coin is Silver: 4 At-Home Tests That Work
The quickest silver test is the ice cube method, because silver conducts heat faster than any other coin metal. Pre-1965 US dimes contain 90 percent silver. Read more