The Royal Mint’s new 12-sided pound coin set for release in 2017 might have collectors intrigued, but it has vending-machine operators annoyed.

Dr. James D. Watson, one of three 1962 recipients of the Nobel Prize for Physiology or Medicine, is offering his gold medal for auction Dec. 4 by Christie's.

World mints continue to offer an array of coins celebrating the season, with special minting techniques, whimsical designs, and more.

The newest 2014 coin in the Royal Canadian Mint's series of silver $20 coins sold at face value, the 2014 Snowman coin, has sold out its mintage.

The fifth volume of David Sear's Roman Coin Values book series is now available for pre-order.

A 2015 copper-nickel 50-penny coin from the Royal Mint commemorates the 75th anniversary of the Battle of Britain.

The fifth known example of a rare coin of Roman emperor Probus is offered in Numismatik Lanz’s Dec. 8 auction.

The second Proof .999 fine silver $1 coin in the Perth Mint's Australian Dinosaurs series, for the Diamantinasaurus, is now available.

Canada’s second ever half-kilogram silver $125 coin marks the 350th anniversary of the Canadian Horse’s introduction.

Instead of the real thing, a new $5 coin from the Royal Canadian Mint offers a poinsettia that will never stop blooming or lose its leaves.

A standout among Haitian coins is the 32.4-millimeter, copper 1850 6¼-centime piece, bearing a crowned bust for “Faustin I, Emperor of Haiti.”

An archaeologist in Germany is charging auction firms with supported Islamic State terrorists by encouraging looting, which industry officials vehemently deny.

The XV International Congress has been scheduled for Taormina, Italy, in September 2015.

One of three examples of North America's earliest silver dollar equivalent coins realized $587,500 in Daniel Frank Sedwick LLC's Nov. 6 auction.

Artist and illustrator Jesse Koreck has designed three coins for the Royal Canadian Mint. Coin World interviewed the designer to learn his thoughts about coins.

Yen-denominated coinage was introduced in Japan in 1871, following the end of two and a half centuries of a policy of national seclusion.

A rare Roman bronze coin of Caligula was apparently one of those issued to members of the praetorian guard during the ceremony shown on the coin's reverse.

For collectors who can't afford the pricier, authentic pieces, copies and reproductions are an affordable alternative.

Modern forger Peter Rosa is perhaps the most famous creator of counterfeits from the last half-century, but the pieces were not intended to fool collectors.

Will the Islamic State of Iraq and Syria issue coins for use in the territory it controls? Evidence suggest such a project is unlikely to work.

A platinum medal in a Dec. 6 auction celebrates the restoration of the Bourbon Monarchy after Napoleon Bonaparte's defeat at the Battle of Waterloo.

One could build a large collection of world coins concentrating solely on the fine arts.

The city of Pergamum played an important role in the Hellenistic Age (circa 350/336 to 30 B.C.) of Greek history.

Named after its home city of Florence, “Firenze,” it became the main medium for the return of coins made from gold.

The British Museum was once a source for counterfeit ancient coins, employing Robert Ready and his family to create copies for educational purposes.

Forgeries are generally frowned upon, but there is a market for some famous fakes throughout the ages.

A petition to include women on Canada’s banknotes is approaching its goal of 50,000 signatures.

Our story begins with “shekel,” a term so old that it predates the invention of coined money by at least a couple of millennia.

A 2014 silver $2 coin for Niue celebrates the Erta Ale volcano in Ethiopia by mimicking its shape and including a piece of lava from the structure's fiery flow.

Reader finds a previously unpublished 1602 silver 2-taler coin from Saxe-Old-Gotha, one of the many German states.

An 1869 silver 5-peseta coin, issued by Spain's Provisional Government, one of 100 pieces known, highlights a Dec. 6 auction in Monaco.

Characters from The Snowman and The Snowdog, an animated children's show, feature on the Isle of Man's 2014 Christmas coins.

Captain America, Hulk, Thor and Iron Man are featured on four 2014 Proof silver $2 collector coins from Niue.

Two rare 1960 eight-grain agora pattern coins highlight William Rosenblum's auction 44B, which ends Dec. 4.

Johann Strauss' Die Fledemaus is the subject of Austria's first 2015 coin, which is being released Dec. 3.

With a 2015 £5 coin marking his death anniversary, Sir Winston Churchill becomes the first non-royal to appear twice on coins of the United Kingdom.

The Royal Australian Mint has issued a colorful circulating commemorative $2 coin. During the launch a countermarked 2014 Spirit Lives On $1 coin was available.

Similarities in the manufacture of ancient and modern coins and currency will be tackled during a Dec. 12 seminar at the San Francisco Historical Bourse.

Belgium has issued two coins celebrating the birth bicentennial of saxophone inventor Antoine-Joseph "Adolphe" Sax.

The first of the Sol Noctis series of silver pieces denominated in bitcoins is known as the Binary Eagle and will be made available by TopWorldCoins on Dec. 5.

The Royal Mint is replacing the Ian Rank-Broadley effigy of Queen Elizabeth II with only the fifth definitive portrait of the ruler during her 62-year reign.

Collectors in Asia and Europe know the advantages of owning art or coins, offer to people concerned with privacy and portability issues.

A new book explores the history of Mexico's Caballito peso, modern Mexico's first commemorative coin.

What is the secret to the sweet success for a Swiss auction firm selling Russian coins? The auction firm discusses the latest highlights and its strategy.

Rosland Capital and the Royal Canadian Mint have issues a silver Maple Leaf 1-ounce coin with a privy mark. Sales benefit agencies serving military families.

A circa 461 to 430 B.C. silver drachm of the Aetna Master highlights Tradart's Nov. 20 auction in Brussels.

Organizers have announced plans for the 22nd Grand Bourse de Monaco, which is scheduled for Dec. 7.