Collectibles and their value

I myself collect Magic the Gathering , so this article was interesting if noe a tad depressing =P


"140,000,000 B.C: A young Allosaurus missteps and finds itself mired in a sink hidden beneath the underbrush. Millions of geological ages later, an amateur paleontologist helps him out - or at least what was left of his head. In 2005, the Allosaurus' restored skull sells for the high price of $600."