
Classic Schemes · Carnival and sideshow era — 1800s onward
The Cursed Egg
A traveling showman displays a jeweled 'cursed egg' said to bring fortune to whoever unlocks its secret — for a small deposit and a signed promise. The egg is hollow, the curse is real, and the deposit is gone by dawn.

The Big Con
David W. Maurer
The 1940 field study every modern grift book quietly borrows from.
Now broadcasting: The Cursed Egg
The short of it
The Cursed Egg is a classic schemes that dates to the Carnival and sideshow era — 1800s onward. A traveling showman displays a jeweled 'cursed egg' said to bring fortune to whoever unlocks its secret — for a small deposit and a signed promise. The egg is hollow, the curse is real, and the deposit is gone by dawn. The tell is usually simple: a one-of-a-kind object promised to only the 'right' buyer. If you remember one thing, remember this — walk away from any deal that leans on mystery instead of proof.
Warning Signs
- A one-of-a-kind object promised to only the 'right' buyer.
- A mystical story used to justify secrecy and speed.
- A deposit taken now for a reveal that never quite arrives.
Protect Yourself
- Walk away from any deal that leans on mystery instead of proof.
- Never leave a deposit without a written, verifiable return policy.
- If the seller is leaving town tomorrow, so is your money.
Read Deeper

The Big Con
David W. Maurer
The classic 1940 field study of American grifters — inspired The Sting.
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More Classic Schemes

Street classic — 1900s to today
THE PIGEON DROP
"A stranger 'finds' a wallet or envelope stuffed with cash and offers to split it — right after you put up a little 'good faith' money of your own."

c. 1580 – present
THE SPANISH PRISONER
"A wealthy stranger writes from a foreign jail, begging a small favor to unlock a great fortune. Four centuries later, the same letter still arrives — now by email."

Ancient Greece – street corners today
THE SHELL GAME
"Three cups, one ball, and the promise of easy money. The ball is palmed before your eyes and the crowd cheering you on is in on it."









