6. NIKOLAOS GYSIS (1842-1901) Nude signed with the initials "N. G." (centre right) (centre right) charcoal and pastel on paper 50 x 37 cm (19.69 x 14.57 in.) Charcoal and pastel on paper Provenance Private collection, Athens. Literature M. Montandon, Gysis, Derlag von Delhagen & Klafing editions, Bielefeld und Leipzig, 1902, p. 148, no. 133 (listed), p. 126, fig. 133 (illustrated). Encyclopidic Lexicon, Eleftheroudakis editions, Athens 1928, p. btw 168-169 (illustrated).