Norwegian ethnologist famous for his expeditions to prove the feasibility of his theories of cultural diffusion, and for his books Kon-Tiki, Ra, and Tigris. FDC, 6.5 x 3.75, with a cachet honoring the whaler Henry Taber, signed on the front in blue ballpoint, 'Thor Heyerdahl, Kon-Tiki Oct. 24, 1978.' In fine condition. RRAuction COA.
