Ferret
A ferret is a small, playful domesticated mammal often kept as an exotic pet, similar to a weasel.
Estimated value as of 2026 · Source: Multiple sources including Creatures.com (2026), Chewy (2026), and PetMD indicat…
Fun Fact
Ferrets have been domesticated for over 2,000 years, originally used for hunting rabbits.
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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.
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.
Fossil Tyrannosaurus Rex Skeleton (Stan)
Nearly complete T-Rex skeleton auctioned for research and display.
Moon Rock Sample (From Apollo 17 Mission)
Lunar basalt specimen collected during humanity's final Apollo mission in 1972.