American explorer and naturalist (1884–1960) whose far-flung adventures on archaeological expeditions in the Far East were said to have served as the inspiration for fictional screen hero Indiana Jones. Vintage fountain pen signature, “Roy Chapman Andrews,” on a 8.25 x 5.5 card, most likely taken from a guest book. A uniform shade of mild toning, a bit heavier at edges, and a rough right edge, otherwise fine condition. RRAuction COA.