Police arrested a woman after tiger claws and teeth were found in her house in Sheffield.
A 28-year-old, from Gleadless Road, Sheffield, was quizzed after wildlife crime officers from South Yorkshire Police and members of the UK National Wildlife Crime Unit searched the property on Monday and made the discovery.
She was arrested on suspicion of breaching the Control of Trade in Endangered Species (Enforcement) Regulations and evading export restrictions for endangered species, contrary to the Customs and Excise Management Act.
Her home was raided as part of an ongoing investigation into the illegal trade in tiger derivatives on the internet.
The woman has been released on bail pending further enquiries.
Chief Superintendent David Hartley, District Commander for Sheffield, said: “This has seen national specialists and local wildlife crime officers coming together to tackle crimes of international importance.
“We are committed to robustly tackling such crimes and doing our part to protect endangered species whether in the UK or from around the world.”