Collection of 13 bank checks filled out and signed by Jack London, for amounts ranging from $5 to $1000, dated from 1903 to 1911. Highlights include two checks made out to his wife—"Charmian K. London" and "Mrs. Jack London"—one of which is endorsed by her on the reverse (the other endorsed in another hand); another check, made out to "Cash," is also endorsed on the reverse by his wife, "Mrs. Jack London." In overall fine condition. Accompanied by an additional check filled out and signed in an unknown hand on behalf of Mrs. Jack London.