Ty Cobb’s teeth (File/AP Photo)

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When: 1999

If toilets are a weird item for collectors to haggle over, so too are teeth, which are equally sought-after by memorabilia buffs around the world. Of course, the to-be-auctioned John Lennon tooth is a bizarre item, and the same could be said about a pair of dentures once belonging to Winston Churchill, which sold for $24,000 last year. But the trend may have begun in 1999, when a woman famously paid $8,000 for a pair of Ty Cobb's dentures. The fake teeth of Cobb, the baseball great, with his .367 career batting average and 1911 AL MVP award, were displayed by their owner at the Baseball Hall of Fame in Cooperstown, N.Y., for five months back in 2001.

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