Flowers, 2011 watercolour

Flowers 2, 2011 watercolour

Still life with the white bottle, 2005 watercolour

A study by Rembrandt, 2000 pen and black ink on paper

Foreshortening of Cortona, 2011 watercolour

Siena, the Piazza del Mercato, 2011 watercolour

Trees, 2011, watercolour

Landscape with the white house, 2001, watercolour

Siena, church in Abbadia square, 2005, pen and black ink on paper

Warrior (a study by Paolo Buttini), 1979, soft graphite pencil on rough paper

Seascape, 1991, watercolour

Siennese landscape, 2011, tempera on cardboard and canvas

Still life with Bautta, 2009, tempera with cherry's gum on board

Still life with africam mask, 2010, tempera with cherry's gum on board

Still life with boxes, 2010, tempera with cherry's gum on board

Landscape of the Tremiti islands, 1972, pastel on paper

Siennese landscape, 2009, watercolour

Landscape in the Crete, 2011, oil on canvas

The three houses, 2011, oil on canvas

Landscape (Crete), 2011, acrylic on cardboard

Landscape, 2011, oil on board

Landscape with the house, 2011, oil on canvas

The house, 2011, oil on cardboard and canvas

The Crete looking toward Asciano, 2011, oil on paper