Coin Identifier

Coin Encyclopedia

Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Titus Denarius

Titus Denarius

The silver denarius of Emperor Titus, second Flavian ruler, celebrated for completing the Colosseum and for a short, well-regarded reign.

Ancient
Brutus EID MAR Denarius

Brutus EID MAR Denarius

One of the most famous coins in existence, issued by Julius Caesar's assassin Brutus to commemorate the Ides of March, showing two daggers flanking a cap of liberty.

Ancient
2008 Hawaii State Quarter

2008 Hawaii State Quarter

The final release of the 50 State Quarters Program, honoring Hawaii with an image of King Kamehameha I extending his hand over the Hawaiian islands.

United States
Antoninus Pius Denarius

Antoninus Pius Denarius

Silver denarius of Antoninus Pius, whose long, peaceful reign is remembered for stability and prosperity, including coins marking Rome's 900th anniversary.

Ancient
1999 Delaware State Quarter

1999 Delaware State Quarter

The debut coin of the U.S. Mint's 50 State Quarters Program, honoring Delaware as the first state to ratify the Constitution, featuring Caesar Rodney's historic ride.

Commemorative
Decimal New Penny

Decimal New Penny

The UK's smallest decimal coin, introduced on Decimal Day, 15 February 1971, inscribed "NEW PENNY" until 1982.

British
Ides of March Denarius (EID MAR)

Ides of March Denarius (EID MAR)

A denarius struck by Brutus in 42 BC commemorating Julius Caesar's assassination, showing daggers and a liberty cap — one of the most famous and valuable ancient coins ever made.

Ancient
Marcus Aurelius Denarius

Marcus Aurelius Denarius

The silver coin of the philosopher-emperor Marcus Aurelius, struck during years of war and plague, reflecting a reign celebrated for its Stoic ideals amid crisis.

Ancient
Maximinus Thrax Denarius

Maximinus Thrax Denarius

Silver denarius of Maximinus Thrax, the first Roman emperor risen from the common soldiery rather than the senatorial class, ruling amid the onset of the Crisis of the Third Century.

Ancient
Septimius Severus Denarius

Septimius Severus Denarius

Silver denarius of Septimius Severus, African-born founder of the Severan dynasty, who rose to power through the civil wars following Commodus's death.

Ancient
Augustus Denarius

Augustus Denarius

The main silver coin of Rome's first emperor, Augustus, whose long reign established the imperial monetary system that would last for centuries.

Ancient
Claudius Denarius

Claudius Denarius

A silver denarius of Emperor Claudius, whose unexpected rise to power after Caligula's assassination was famously secured with the support of the Praetorian Guard.

Ancient
Syracuse Dekadrachm (Kimon)

Syracuse Dekadrachm (Kimon)

A magnificent silver dekadrachm from ancient Syracuse signed by the master engraver Kimon, prized as one of the finest achievements of Greek coin art.

Ancient
1999 Pennsylvania State Quarter

1999 Pennsylvania State Quarter

The second release in the U.S. Mint's 50 State Quarters Program, honoring Pennsylvania with a design featuring the state's outline, a keystone, and the Commonwealth statue.

Commemorative
Caracalla Denarius

Caracalla Denarius

Silver denarius of Caracalla, son of Septimius Severus, remembered for extending Roman citizenship empire-wide and for murdering his brother Geta.

Ancient
Delhi Sultanate Silver Tanka

Delhi Sultanate Silver Tanka

The standard silver coin of the medieval Delhi Sultanate, bearing Arabic inscriptions naming the ruling sultan, and a forerunner of later Indian silver denominations.

Asian
Faustina the Elder Denarius

Faustina the Elder Denarius

Posthumous silver denarius honoring Faustina the Elder, wife of Antoninus Pius, struck for two decades after her death and deification in 140/141 AD.

Ancient
Syracuse Decadrachm

Syracuse Decadrachm

A large, exquisitely engraved silver coin from the Greek city of Syracuse, celebrated as one of the finest achievements of ancient Greek numismatic art, featuring the nymph Arethusa and a victorious chariot.

Ancient
2004 Texas State Quarter

2004 Texas State Quarter

A 2004 entry in the 50 State Quarters Program depicting an outline of Texas with a lone star, honoring the state's independent history as the Lone Star State.

United States
New Zealand Florin (pre-decimal)

New Zealand Florin (pre-decimal)

New Zealand's pre-decimal florin, famous for its kiwi-bird reverse design, circulated from 1933 until decimalization replaced it with the 20-cent coin in 1967.

Africa & Oceania
Faustina the Younger Denarius

Faustina the Younger Denarius

Silver denarius of Faustina the Younger, daughter of Antoninus Pius and wife of Marcus Aurelius, whose coinage emphasizes fertility and family themes.

Ancient
Mark Antony Legionary Denarius

Mark Antony Legionary Denarius

A widely produced denarius struck by Mark Antony to pay his legions before the Battle of Actium, each type naming a specific Roman legion on the reverse.

Ancient
Roman Republic Denarius

Roman Republic Denarius

The workhorse silver coin of the Roman Republic, introduced during the Second Punic War and struck by a long line of moneyers with ever-changing, often political, designs.

Ancient
1999 New Jersey State Quarter

1999 New Jersey State Quarter

One of the original five 1999 State Quarters, honoring New Jersey with a rendition of Washington Crossing the Delaware, launching the wildly popular 50 State Quarters Program.

United States