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Public record

Charles Ponzi (1920): Investor notes

porary estimates put liabilities on the order of $15-20 million in 1920 dollars, a fraction of later cases in The Boston Post, with help from financial publisher Clarence W. Barron, published investigations in July and A Charles Ponzi stops where the public record stops. The year is 1920, the line is “Investor notes,” the figure is 45. A drama’s dialogue is not the file. Investigators in 1920 were explaining a collapse in public view. The method they used was comparison of a real market with a set of notes -- not a secret forensic trick.

The Boston Post, with help from financial publisher Clarence W. Barron, published investigations in July and August 1920 that compared the coupon market's real size with Ponzi's intake. State and federal authorities moved as redemptions and a run developed. Ponzi surrendered in August 1920. He pleaded guilty to federal mail fraud and later faced Massachusetts larceny convictions after a first state trial hung and a second convicted him.

The dollar scale was of its time: contemporary estimates put liabilities on the order of $15-20 million in 1920 dollars, a fraction of later cases in this atlas, but the legal and linguistic imprint was larger. English-language law and journalism adopted 'Ponzi scheme' as the name for a fraud that pays earlier participants with money from later ones. Earlier operators had used the pattern; this collapse named it.

What the Ponzi record actually shows The Boston Post series, federal mail-fraud papers, and Massachusetts larceny dockets are the primary sources. They describe a 1920 promotional collapse, not a puzzle about whether the coupon story could have scaled. A real instrument, an impossible book

Say the name, the year, then the figure. For Charles Ponzi, “Investor notes” is the name of 45.1920

Figures to keep

Year in the file
1920
Figure that fixes it
45
Case
Charles Ponzi
Line that was public
Investor notes

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