1933 Double Eagle: How an $18M+ Sale Rewrote the Rules for Raw Coins

https://delta-wiki.win/index.php/What_if_Everything_You_Knew_About_an_Education-First_Strategy_and_Knowledge_Investment_Was_Wrong%3F

1) Why the 1933 Double Eagle's $18 million auction was a watershed for raw coins The 1933 Saint-Gaudens Double Eagle that sold for more than $18 million did more than set a headline price