In 2005, Sweden celebrated the 150th anniversary of its first stamps by issuing a 50-kronor coin in an aluminum-bronze composition.

A May 18 auction in Zurich includes a small sculptural silver coin from Sicily in ancient Greece.

To mark the 75th anniversary of the Battle of Britain, Pobjoy Mint has issued four new coins on behalf of the Isle of Man government

This coin isn't in the mainstream among American collectors

Coin World has covered physical bitcoins made of silver and physical bitcions made of gold. How about brass?

The Royal Canadian Mint will consider coin designs (all entries due April 30) from the public for five new coins that will enter circulation in 2017.

Russia celebrated the 150th anniversary of the first Russian postage stamp with a commemorative coin in 2008.

Uniface 1915 silver plaquette by Austrian medalist Hans Dietrick depicts a Turkish warrior in archaic garb and banner before the basilica of Hagia Sofia.

The Central Bank of Russia celebrates the 50th anniversary of the first space walk with a Proof silver 3-ruble coin.

An extremely old, and rare coin in the American numismatic world

Canada's first stamp was the 3-cent beaver, so the Royal Canadian Mint's only 3-cent coin naturally celebrates the famous philatelic issue.

The Pobjoy Mint issued the world's first red-colored coin, using titanium, to celebrate the Penny Magenta stamp, the world's most expensive postal rarity.

Numismatic Guaranty Corp. has graded an example of the rare 1898 "99" stamped gold pond from South Africa, just the 20th example it has graded.

Gibraltar teamed up with the Pobjoy Mint to issue a colorful coin honoring the Blue Mauritius stamp, one of the world's most valuable issues.

There may be no better time to collect circulating coins with color on them than now, with the 20th such coin just announced by the Royal Australian Mint.

The Royal Australian Mint has launched its fourth colorful circulating $2 coin into circulation. The 2015 coin celebrates ANZAC forces in World War I.

Dozens of coins have made their stamp on history, including coins that show famous stamps from the course of history.

Numismatic Guaranty Corp. has certified the only privately-available example of a rare gold medal made in 1906 to mark the appointment of a Brazilian Cardinal.

Coin designer Jody Clark got to head to the pressroom at the Royal Mint to begin striking coins bearing the new effigy of Queen Elizabeth II that he designed.

A Japanese jeweler has created a variety of Star Wars themed medals to commemorate the lastest installment in the series of famed movies, The Force Awakens.

The Pobjoy Mint is issuing silver and gold crown coins showing French Emperor Napoleon I in high relief.

The Royal Canadian Mint celebrates the wartime 5-cent coin with a modern Proof silver version.

France nixed a circulating commemorative €2 coin from the Royal Belgian Mint for Waterloo's 200th, so the design is on a noncirculating legal tender €2.5 coin.

2nd batch of Olympic coins launched: Afternoon Report

French President Charles de Gaulle is the latest honoree in a series from the Monnaie de Paris celebrating French kings, rulers and presidents.