AI-powered coin identification, valuation, and history.https://coinidentifier.org/en-UShttps://coinidentifier.org/mint-marks-on-us-coins/https://coinidentifier.org/mint-marks-on-us-coins/Mint marks on coins are small letters that show which US Mint struck the coin: P for Philadelphia, D for Denver, S for San Francisco and W for West Point, plus CC, O and C on older pieces. On most coins dated 1964 or earlier, look on the reverse near the bottom. From 1968 on, look on the obverse, usually near the date.Tue, 27 Oct 2026 08:44:27 GMTCoin IdentificationCoin Identifier Editorial Teamhttps://coinidentifier.org/coin-scanner/https://coinidentifier.org/coin-scanner/A coin scanner is a phone app that names a coin from a photo of its front and back, usually in a few seconds, and shows its country, date range, metal and an estimated value. The apps are free downloads, but most charge for full results, with in-app purchases on the US App Store running from about $1 to $50 (September 2026). A scan is a first guess: confirm the date, mint mark and weight yourself before you buy or sell.Fri, 25 Sep 2026 18:09:10 GMTCoin IdentificationCoin Identifier Editorial Teamhttps://coinidentifier.org/authenticate-russian-imperial-coins-new-collectors/https://coinidentifier.org/authenticate-russian-imperial-coins-new-collectors/Authenticating Russian imperial coins means checking weight, die detail, and edge lettering against known records. New collectors should verify rubles through PCGS or Heritage auction comps.Sat, 15 Aug 2026 19:09:48 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/kingdom-of-two-sicilies-coins-identification-value-guide/https://coinidentifier.org/kingdom-of-two-sicilies-coins-identification-value-guide/Kingdom of Two Sicilies coins are identified by ruler, denomination, and Naples mint marks. Values run from a few dollars to thousands for rare gold.Thu, 23 Jul 2026 05:42:54 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/how-to-tell-if-canadian-coin-is-silver-or-plated/https://coinidentifier.org/how-to-tell-if-canadian-coin-is-silver-or-plated/The fastest way to tell if a Canadian coin is silver is its date and a magnet test. Circulating silver coins run through 1968.Mon, 20 Jul 2026 09:09:51 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/20-most-valuable-canadian-100-dollar-gold-coins-for-collectors/https://coinidentifier.org/20-most-valuable-canadian-100-dollar-gold-coins-for-collectors/The most valuable Canadian $100 gold coins are the 1976 Montreal Olympics and early 22-karat commemoratives. Their value tracks gold spot, mintage, and grade.Sun, 19 Jul 2026 10:23:57 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/how-to-find-rare-coins-asking-bank-teller/https://coinidentifier.org/how-to-find-rare-coins-asking-bank-teller/The fastest way to find rare coins is to ask your bank teller to order coin rolls and boxes at face value. Tellers can request half-dollar boxes, cent bricks, and dollar bags that often hide silver and error coins. This costs nothing beyond the coins' face value, so every hunt stays low risk.Thu, 16 Jul 2026 19:39:31 GMTValues & PricesCoin Identifier Editorial Teamhttps://coinidentifier.org/how-to-identify-civil-war-era-coins-authentication-guide/https://coinidentifier.org/how-to-identify-civil-war-era-coins-authentication-guide/Civil War-era coins date from 1861 to 1865. Identify them by metal composition, denomination, and mint mark against PCGS references.Wed, 15 Jul 2026 10:39:02 GMTCoin IdentificationCoin Identifier Editorial Teamhttps://coinidentifier.org/identify-1964-sms-kennedy-half-dollar/https://coinidentifier.org/identify-1964-sms-kennedy-half-dollar/The 1964 SMS Kennedy half dollar is a rare satin-finish special striking. Fewer than two dozen genuine examples are known to collectors today.Sun, 12 Jul 2026 09:50:50 GMTUS CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/how-to-spot-counterfeit-trade-dollar/https://coinidentifier.org/how-to-spot-counterfeit-trade-dollar/The fastest way to spot a counterfeit Trade Dollar is to weigh it. A genuine coin hits 27.22 grams of .900 silver. Most fakes run several grams light.Sat, 11 Jul 2026 08:12:04 GMTCoin IdentificationCoin Identifier Editorial Teamhttps://coinidentifier.org/18-canadian-silver-quarters-worth-money-pre-1968/https://coinidentifier.org/18-canadian-silver-quarters-worth-money-pre-1968/The most valuable pre-1968 Canadian silver quarter is the 1875-H, worth over $2,000 in VF-20. The 1889 and 1936 Dot follow close behind.Sun, 28 Jun 2026 16:07:41 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/how-to-read-roman-coin-inscriptions/https://coinidentifier.org/how-to-read-roman-coin-inscriptions/Reading Roman coin inscriptions starts with the obverse legend naming the emperor. Abbreviations like IMP and COS reveal his titles and date.Wed, 24 Jun 2026 07:42:14 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/german-reichsmark-pfennig-coin-collecting-guide/https://coinidentifier.org/german-reichsmark-pfennig-coin-collecting-guide/Germany issued Reichsmark and Pfennig coins from 1924 to 1948. Mint marks reveal the maker, and silver issues hold most collector value today.Tue, 23 Jun 2026 06:07:42 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/16-modern-canadian-colored-coins-worth-money/https://coinidentifier.org/16-modern-canadian-colored-coins-worth-money/Modern Canadian colored circulation coins start at face value. The best examples reach $50 to a few hundred. Color, condition, and errors drive premiums.Mon, 22 Jun 2026 18:41:53 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/ancient-vs-medieval-coins-identification-differences/https://coinidentifier.org/ancient-vs-medieval-coins-identification-differences/The main difference is era and method. Ancient coins were struck by hand before 500 AD. Medieval coins followed, using hammered dies through the 1400s.Sun, 21 Jun 2026 08:50:12 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/identify-counterfeit-cast-coins/https://coinidentifier.org/identify-counterfeit-cast-coins/Cast counterfeit coins show pitting, seam lines, and soft detail. Genuine struck coins almost never do. Here is how to spot the difference.Sat, 20 Jun 2026 19:17:43 GMTCoin IdentificationCoin Identifier Editorial Teamhttps://coinidentifier.org/ancient-roman-denarius-identification-guide/https://coinidentifier.org/ancient-roman-denarius-identification-guide/A Roman denarius is identified by its portrait, legend, and silver weight. Republican coins differ from imperial issues. Style and metal confirm the date.Sat, 20 Jun 2026 04:04:52 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/most-valuable-foreign-coins-american-collectors-want/https://coinidentifier.org/most-valuable-foreign-coins-american-collectors-want/The most valuable foreign coins include British, Canadian, and ancient rarities. Date, mint, and metal decide each coin's true value.Fri, 19 Jun 2026 17:35:17 GMTWorld & Ancient CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/identify-1958-d-l-on-rim-wheat-penny/https://coinidentifier.org/identify-1958-d-l-on-rim-wheat-penny/The 1958-D L on rim variety shows LIBERTY's L touching the coin edge. It forms from die or collar wear. Most examples sell for a few dollars.Fri, 19 Jun 2026 06:27:39 GMTUS CoinsCoin Identifier Editorial Teamhttps://coinidentifier.org/identify-authentic-roman-denarii/https://coinidentifier.org/identify-authentic-roman-denarii/A real Roman denarius weighs about 3.9 grams in silver. Genuine strikes show hand-cut dies and honest toning. Cast copies reveal seams and mushy detail.Tue, 16 Jun 2026 20:55:03 GMTWorld & Ancient CoinsCoin Identifier Editorial Team