The Complete History of Teenage Mutant Ninja Turtles< who emerged from the comic book world in 1983 MentalFloss MentalFloss May 2012, sold at auction for $71,700. TMNT history MentalFloss May 2012, sold at auction for $71,700. excelente artículo de Mental Floss May 2012, sold at auction for $71,700. TMNT history their origin story The complete history of the Teenage Mutant Ninja Turtles May 2012, sold at auction for $71,700. Lammie their origin story May 2012, sold at auction for $71,700. May 2012, sold at auction for $71,700. TMNT history The complete history of the Teenage Mutant Ninja Turtles recent history May 2012, sold at auction for $71,700. May 2012, sold at auction for $71,700. MentalFloss Kevin Eastman and Peter Lairdâs reptilian crime fighters co-creator Peter Laird told Mental Floss