Novelist who based his stories on the adventures he encountered as a prospector, hobo, pirate, gentleman farmer, reformer, and war correspondent. A troubled, but gifted writer he was addicted to alcohol and drugs but, in his day, he was the highest-paid writer in America. Off-white calling card, 3.25 x 2, bearing London’s printed name on one side and nicely signed on the reverse in fountain pen, “Jack London.” In fine condition. R&R COA.