Heritage Auctions’ Sept. 8 and 9 Long Beach world coins auction offers a collection of 143 Brazilian Imperial medals and decorations in 107 lots.

Four Proof 2016 Portrait of Britain silver £5 coins showcase the United Kingdom’s natural wonders with designs that began with watercolor paintings.

Many of the ruler’s coins feature Alexander the Great himself, but the gold stater in the Goldberg auction features the head of Athena.

Private issuer Coin Invest Trust has cooperated with Cook Islands to issue three collector coins marking the vote for Britain’s exit from the European Union.

Born out of war, Mexico’s Caballito peso series issued from 1910 to 1914 was the nation’s first commemorative coin, intended to mark the War of Independence.

The first Chinese Dragon dollars debuted in 1889 in Kwangtung, and soon the iconic image appeared on silver dollars across China.

The 76.7-millimeter uniface bronze medal shown is something of a mystery, but a little research identifies the subject.

When a shortage of circulating coins affected Britain, private minters Matthew Boulton and James Watt struck 2-ounce copper 2-penny coins.

The Ggantija temples, among the world’s oldest free-standing structures, are the subject of Malta’s new circulating commemorative €2 coin.

The silver denarius was the centerpiece of Rome’s currency system, and for much of its time was worth 16 asses (the as was a large bronze coin).

Four winners medals from four different Summer Olympic Games are being offered by RR Auction in their 998-lot sale closing Sept. 14.

Niue’s annual gold-plated five-ounce silver $8 Lunar Calendar coin, which marks the Year of the Rooster in 2017, is now available.

Not all transitional planchets are what they seem. Other explanations are sometimes more accurate.

Whether it’s design, circumstances surrounding an issue, or how it reflects technological changes in minting, some coins just have a special “something.”

More so than coins, medals can provide an engaging and enlightening view of history. That's certainly the case with this medal collection crossing the block.

When occasional coin shortages occurred in Rome’s Western provinces, unofficial mints operated as private ventures would issue coins to fill in the gaps.

The Royal Canadian Mint marks the 125th anniversary of the beginnings of basketball in Massachusetts with a Proof silver concave/convex $25 coin with color.

Loki is the god of fire and a cunning shape shifter, appearing in the form of a seal, a salmon, a mare, and a fly, among others.

The obverse and reverse designs explore the connections between soldiers on the front lines of battle and families supporting them.

More than 200 orchid species were once found in Singapore, and some of those flowers can still be found in the nation’s forests today.

The Austrian Mint completes its series of three silver €20 coins honoring Wolfgang Amadeus Mozart with a Sept. 7 release for the legendary musician.

Selfless dedication is the theme of four 2016 coins from the Royal Canadian Mint, and police officers are the latest subject in the series.

Canada’s third coin in the First World War Battlefront series showcases the sacrifice and service of Canadian forces during the 1916 Battle of Somme.

North America's powerful 18th century economy brought in the world's gold coins. Worn pre-1776 English guineas may have seen an American pocket or two.

Metal detectorist discovers nearly 1,900 Roman coins in northern England from time and place when Constantine inherited his father's office.