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Richie Rich Riches #20
September 1975 · 0.25 USD · 36 pages
On sale 1975-06-12
Rated Approved by the Comics Code Authority
Synopsis
At the Utah Salt Flats, Richie and his father try out a special car that would break the speed record - but instead the vehicle rapidly travels back in time to the prehistoric era, and get threatened by dinosaurs and cavemen.
Notes
On sale date from mikesamazingworld.com