Coin of the Day: For #MedalMonday, check out this stunning Silver Medal issued for the coronation of Swedish Queen Christina in 1650. It’s being offered by Stack’s Bowers Galleries as part of the latest auction of the L. E. Bruun Collection: auctions.stacksbowers.com/lo…

With a weight of more than a third of a kilogram, this 1747 Austria Gold Medal showing the archbishop of Salzburg is the top world highlight in a Numismatica Genevensis auction. It has a starting price of more than $400,000! Check it out: NGCcoin.com/news/article/156…

Coin of the Day: On this day in 1898, the United States took possession of Puerto Rico. This Puerto Rico 1895 Peso was among the last coins struck by the Spanish government for the island. This one is being offered by Heritage Auctions: tinyurl.com/4kfvte4u

Lost in a shipwreck more than 300 years ago, this Royal 8 Escudos is back in the spotlight, with an estimate of at least $200,000 in a @sedwickcoins auction in early November. Learn more and find additional highlights: NGCcoin.com/news/article/156…

Coin of the Day: The back of the Libertas Americana Medal has two important dates of British surrender in the Revolutionary War: Oct. 17, 1777 and Oct. 19, 1781. You can find this medal and many more rarities in the Newman Collection image gallery at NGCcoin.com/gallery/newman

A wobbly number points to this coin's spurious nature. Learn how this purported Flying Eagle Cent was identified as a fake, in the latest NGC Counterfeit Detection: NGCcoin.com/news/article/155…

Coin of the Day: On this day in 1859, John Brown led a raid on an armory in Harper’s Ferry. After he was hanged several weeks later, this bronze medal was struck to commemorate his efforts against slavery. You can learn more about it here: tinyurl.com/2vjs8n7x

Each of these Switzerland rarities from the Lake View Collection is expected to sell for more than $100,000 in a SINCONA auction this month. Learn more about what makes them so valuable: NGCcoin.com/news/article/156…

Coin of the Day: Today’s #ThrowbackThursday coin is this remarkable Gold Aureus struck under Roman Emperor Diocletian (A.D. 284-305). It will be offered in an elite Heritage Auctions sale tied to the NYINC in January: tinyurl.com/mr275f47

Several NGC-certified coins are expected to sell for more than $100,000 in a Gadoury auction ending soon. They include this Germany 1698 GFN Nurnberg 6 Ducats, which has city view of Nurnberg on the other side. Check it out: NGCcoin.com/news/article/156…

Coin of the Day: For #WorldWednesday, here is a Hungary 1664KB Ducat that is not only a “Top Pop” in the NGC Census for its catalog number but also one of the highest-graded coins surviving from the Kremnica mint. Find it in a Provenance Auctions sale: tinyurl.com/2zm2vzw9

More than $1 million! That was the price realized by this incredibly rare gold Russian pattern in a recent @StacksBowers Galleries auction. It was created as the country was headed to the gold standard in the 1890s. Learn more: NGCcoin.com/news/article/156…

Coin of the Day: For #TokenTuesday, here is a New Zealand Penny from Milner & Thompson depicting a Maori warrior. You can find this token this month in a Heritage Auctions sale focused on medals and tokens: tinyurl.com/32r8rmty

This Germany 1874B Oldenburg 10 Mark is among many NGC-certified coins in a Münzgalerie München auction ending soon. It was issued in the early years of the German Empire even as the Grand Duchy of Oldenburg maintained its own coinage. Learn more: ngccoin.com/news/article/156…

Coin of the Day: For #MedalMonday and Columbus Day, here’s a stunning medal from the 1892-93 World’s Columbian Exposition, which was held in Chicago to celebrate 400 years since Columbus’ first voyage. You can find it in a sale dedicated to medals like it: tinyurl.com/448k36ry

These incredibly rare coins from Sweden and Denmark are among the top highlights in the latest Stack's Bowers Galleries auction of the L. E. Bruun Collection. One is expected to realize close to $100,000 and the other well over that amount. Learn more: NGCccoin.com/news/article/15…

Coin of the Day: On this day in 1671, Danish King Frederick IV was born. This Double Ducat with his portrait is expected to sell for about $10,000 in a Stack’s Bowers Galleries auction of the L. E. Bruun Collection later this month: auctions.stacksbowers.com/lo…

Coin of the Day: For Fiji Independence Day, here’s one of the first major rarities that was struck after its independence in 1970. The coin shows King Cakobau, who voluntarily gave up authority over Fiji to Great Britain in 1874.

This Chinese silver dollar dating from the late 1800s is part of a @SpinkandSon auction ending soon, where it is expected to sell for more than $10,000. Learn more about it here: NGCcoin.com/news/article/156…

Coin of the Day: Today is Uganda Independence Day, so let’s celebrate with this 1972 5 Shillings. It shows the country’s coat of arms, with a kob (a type of antelope) and a crested crane. Explore coins from Uganda in the NGC World Coin Price Guide at NGCcoin.com