Los Angeles: American International Pictures [AIP], 1976. Vintage borderless photograph from the 1976 film. With a mimeo snipe on the verso.
Based on the 1914 novel by Edgar Rice Burroughs, the first in the Pellucidar series about adventures in the hollow earth. A British scientist and American adventurer drill through to a strange land where they lead a rebellion of Stone Age humans against their masters, who happen to be intelligent flying reptiles with psychic powers.
9.75 x 7.5 inches. Near Fine.