AGN430010:
Composition for Eye and Camera, 1969 (photographic collage with gouache & collage on coloured paper), Piper, John (1903-92) / Bridgeman Images
CH657160:
Two Heads - Design for a stained-glass window, (watercolour, gouache, wax chalk and brush on paper), Piper, John (1903-92) / Bridgeman Images
CH826736:
The Arch of Constantine and the Coliseum, Rome, 1961 (pencil, watercolour, coloured crayon and bodycolour), Piper, John (1903-92) / Bridgeman Images