TROTSKY, Leon (1879-1940). Autograph note on correspondence card signed ("LD"), in French, to Frida Kahlo and Diego Rivera. N.p. [Mexico], n.d. [c.1940]. 1 page, 12mo (85 x 140 mm), with holograph address on verso, age-toned, small dampstain affecting one word. Trotsky sends his greetings and thanks Frida for sending him some medicine ("une petite pharmacie"). He promises a fuller update after he is settled the next day, and signs with his initials after his real name, Lev Davidovich Bronstein.