wax crayons on silver paper and an illustrated letter to Willem Sandberg, signed and dated 'Appel 69' (lower right) and titled (upper centre). Drawing: sheet attached to the support, unevenly cut (original state), few minor defects; Letter: paper timestained and creased in the lower half, two vertical tears along upper edge, strip of silver paper along upper reverse edge, both in good condition
drawing: 48.5 x 32.5 cm.; letter: 50 x 32.5 cm.