Rare Beanie Babies (the misprints and mistakes)
Not the ones Ty retired on purpose, but the accidents: the royal blue Peanut that only shipped for four months, the lobster whose tag said "Punchers," and the Princess bear everybody was sure was a limited edition. For a few years in the late '90s a price guide could turn a $5 elephant into a $2,500 investment, and a surprising number of adults believed it.