The World's Most Valuable Coin Sells at Auction for $18.9 Million, Smart News

Three collectibles, including a 1993 gold "Double Eagle" and the world’s rarest stamp, fetched more than $30 million at Sotheby’s

22 US Coins Sold at Auction in 2021 for $1 Million or More - CoinsWeekly

grading Coin Collectors Blog

15 of the Most Expensive Things Ever Sold

Rare Quarter Could Be Worth $21,000—Here's What to Look For

Our Largest Rare Coin Sale Yet (Est. $15,000+) - Whatnot Ancient, World, & U.S. Coin Auction Preview

Coins & Treasure Shipwreck Auction Held April 29

Auction Results

What is the Most Expensive Coin? - Hero Bullion

Auction Results

Rare Quarter Could Be Worth $21,000—Here's What to Look For

The World's Most Valuable Coin Sells at Auction for $18.9 Million, Smart News

$18 Million Rare US Coins Sold at Auction

Review: Top 3 Most Valuable Coins at 2022 Heritage Auctions World Coins Platinum Night Auction NYINC Graded by PCGS

Rare Quarter Could Be Worth $21,000—Here's What to Look For

Dallas oilman's rare coins net $20 million for North Texas nonprofits in initial sale