The Pobjoy Mint is celebrating the platinum wedding anniversary of Queen Elizabeth II and Prince Philip with a 2-ounce silver $10 coin.

A custom-engraved silver riyal from Saudi Arabia depicts the nation’s oil refinery plant.

Luxembourg marks the 150th anniversary of its constitution in 2018 with a circulating €2 coin.

A 1909 silver srang coin of Tibet realized $2,760 during a Nov. 26 auction in Macau.

Peru has issued a circulating commemorative 1-nuevo-sol coin as part of a new series of coins honoring the nation’s endangered wildlife.

An extremely rare gold penny of 20 pence issued by King Henry III is from the first English gold coins, minted circa 1257.

A circa A.D. 202 to 210 gold aureus issued by Septimius Severus recalls the measures he took to keep his teenage sons Caracalla and Geta from fighting.

A pair of Proof silver $10 coins from Canada highlight the complementary, interconnected ideas of yin and yang.

Two new 1-ounce silver dollars depict different themes familiar in Chinese culture to honor Chinese New Year, and neither one is a dog.

The Cook Islands and Downies celebrate the 250th anniversary of Capt. James Cook’s voyage of discovery with a set of three 1-ounce silver $5 coins.

Malta has issued the second coin in a series featuring designs from the nation’s schoolchildren. The 2017 coin celebrates peace.

Prolific Portuguese writer Raul Brandão appears on his 150th birth anniversary on a new circulating commemorative €2 coin, with a Proof version also available.

The government of Libya sought and has received import restrictions for items entering the United States, including a broad range of coins.

A bronze drachm of Antoninus Pius is one of 12 coins in a series depicting the Labors of Heracles. The coin shows Heracles capturing the Cerynean Hind.

Stack’s Bowers Galleries is set to auction off a possibly unique Venetian gold 40-zecchino coin at the New York International Numismatic Convention.

An 1855 Dutch East Indies half cent test strike, estimated around €1,000, sold in a Nov. 4 auction for a hammer price of €3,600 ($4,189 U.S.), plus buyer's fee.

The Italian State Mint’s new issue recognizes a historic treaty signing 60 years ago in Rome.

Austria marks the new year with a €5 coin depicting a lion, a motif taken from a medieval book. A silver version is also available.

German correspondent Sebastian Wieschowski explores the expanding dangers of counterfeits, in commentary found only in the Dec. 25 issue of Coin World.

Also this week, we showcased WWI commemorative silver dollar production at the Philadelphia Mint.

Prince Henry of Wales and Meghan Markle's engagement honored in commemorative coin.

The Princeton University Library Numismatic Collection recently acquired the Benjamin R. Bell Collection of Ducats, which includes this piece.

The gold half angel of Richard III is one of “a handful” of the coins surviving today, according to Dix Noonan Webb, which is auctioning the coin Dec. 13.

A Samoa Year of the Dog dollar struck by the Royal Australian Mint features a motif by Chinese artist Zhou Shaohua and a mintage limit of 88,888 pieces.

Monaco celebrates the Compagnie des Carabiniers du Prince (Prince’s Company of Carabiniers) on a new 2017 commemorative €2 coin.