BIR6039495:
Roman Amphitheatre of Tomen-Y-Mur, Ffestiniog, Wales, 1943 (w/c, bodycolour, indian ink and wax crayon), 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
WIN34004:
Stowe, Buckinghamshire, c.1975: The House from the South; the Octagon Lake; the Temple of Concord (aquatint), Piper, John (1903-92) / Bridgeman Images