Line etching and brush etching with iron chloride on wove paper, 16.2 x 15.4 cm (plate), 32.5 x 25 cm (sheet). 1972. Provenance: Roger Passeron
Unique proof in mauve. Signed, dated "28.7.72" and inscribed with E.A.. With Masson's dedication to Roger Passeron "pour mon ami Roger Passeron/épreuve unique". Inscribed "épreuve unique de cette couleur" (unique print in this colour) by Roger Passeron in the lower left margin
