Megalodon Tooth
$250
A fossilized tooth from the extinct megalodon shark, typically 3-5 inches in size.
Estimated value as of 2026 · Source: FossilEra.com, JTS Shark Teeth, Buried Treasure Fossils
Fun Fact
A single 7-inch megalodon tooth can sell for $25,000 or more, making it more expensive than most cars.
Price History
More in Nature
$27 million
Californium-252 (per gram)
Californium-252 is a synthetic radioactive element produced in nuclear reactors, valued as an exceptional neutron source for medical and industrial applications.
$6.1B
Dog Collar
A dog collar is a band worn around a dog's neck, typically made of nylon or leather, used for identification, control, and attaching leashes.
$31.8M
Fossil Tyrannosaurus Rex Skeleton (Stan)
Nearly complete T-Rex skeleton auctioned for research and display.
$5M
Moon Rock Sample (From Apollo 17 Mission)
Lunar basalt specimen collected during humanity's final Apollo mission in 1972.