Inscribed to his Danish editor and publisher: "To Anton Knudsen, with all best wishes," signed "Hergé" and dated "1.4.[19]76." Accompanied by Typed Letter Signed to Knudsen on Studios Hergé stationery about the autograph and "little drawing." Signed "Hergé" with typed date of "April 2nd 1976." TLS is on 200x205 mm; 7 3/4x8-inch sheet