FRANCISCO ALVAREZ (1936–2024). Set of 12 engravings on the themes of nature and the nude, including: - "Bird in a Undulating Landscape" / "Pájaro en un paisaje ondulado," numbered 189/199, Dimensions: 17.5 x 24 cm; - "Bird on a Rock" / "Pájaro en su piedra," numbered P.a., Dimensions: 30 x 21.5 cm; - "Landscape at Sunset" / "Paisaje al atardecer," numbered 171/199, Dimensions: 17.5 x 24 cm; - "Sunset" / "Atardecer," numbered 171/199, Dimensions: 17.5 x 24 cm; - "Thistles" / "Cardos," numbered 1/75, Dimensions: 26.5 x 17.5 cm. - "Nude II" / "Desnudo II," aquatint, Pa, sheet dimensions: 42 x 32.5 cm. - "Nude IV" / "Desnudo IV," numbered Pa, sheet dimensions: 42 x 32 cm. - "Nu III" / "Desnudo III," numbered P.a., sheet dimensions: 42 x 32 cm. - "Nu I" / "Desnudo I," numbered P.a., sheet dimensions: 42 x 32 cm. - "Nu V" / "Desnudo V," numbered P.a. Sheet dimensions: 53 x 38.5 cm. - "Tree and Birds" / "Arbol y pájaros," numbered P.a. Sheet size: 39.5 x 31.5 cm. - "Thistles" / "Los cardos," numbered P.a. Sheet dimensions: 45 x 33 cm