Metamorph Medal

"It's been a tough night. Some idiot's started selling Metamorph-Medals."

- Arthur Weasley

Metamorph Medals are supposed to help the wearer metamorphose. Though these scam objects; they actually make the wearer turn orange, or in worst cases, cause him or her to break out in tentacle-like warts.

Voldemort's Return
"Just sling them around your neck and you'll be able to change appearance at will. A hundred thousand disguises, all for ten Galleons!"

- Metamorph Medal

In 1996, when the whole Wizarding world were aware of the return of Lord Voldemort, people decided to take their terror to their advantage by tricking them to believing that the objects they sell actually work which cost them some money (each medal cost ten Galleons).

Confiscation
When the Office for the Detection and Confiscation of Counterfeit Defensive Spells and Protective Objects was created, the head of the depatrment, Arthur Weasleyconfiscated a bunch of these Metamorph Medals.

Appearances

 * Harry Potter and the Half-Blood Prince