Four studies 1956: Greek drawing (Hydra); head in profile (Hydra); Kelly armour; and Girl and Curtain

Sir Sidney Robert Nolan, O.M., R.A. (1917-1992) Four studies 1956: Greek drawing (Hydra); head in profile (Hydra); Kelly armour; and Girl and Curtain the first signed within initial 'N' (lower left), and signed with initial and dated 'March 56. Hydra N.' on the reverse, the second signed, inscribed and dated 'March. 1956. Nolan Hydra Amazon?' on the reverse, the third signed with initial 'N' (lower centre), indistinctly inscribed 'armour' (lower right), and inscribed and dated 'Kelly armour. July. 56. Make in bronze' on the reverse, the fourth signed with initial, inscribed and dated 'Girl & Curtain. N. B di Magra 20th Aug. 56.' on the reverse oil and coloured chalks on coated paper unframed 12 x 10in. (30.4 x 25.4cm.) (3), 10 x 12in. (30.4 x 25.4cm.) (1) (4)