Dunfey Exhibition › Monhegan Cliffs by Wolfgang Ertl Image 1 of 1 Monhegan Cliffs by Wolfgang Ertl $600.00 Pastel, 15 × 19 in. For shipping inquiries, please contact the gallery at 603-431-4230. Purchase Added! Pastel, 15 × 19 in. For shipping inquiries, please contact the gallery at 603-431-4230.