La Tartaruga augura buon anno 1961
1960
Lithographie
Ed. 9/100
35.1 x 23.5 cm (13 3/4 x 9 1/4 in)
Rahmen: 50.2 x 38.1 x 2.2 cm (19 3/4 x 15 x 3/4 in)

Heiner Bastian, Das Graphische Werk, 1984, No. 5, S. 33 // Heiner Bastian, The printed graphic work, Catalogue Raisonné, 2017, No. 5, p. 31
CT/E 3