Girl before a mirror is at Mauritshuis, The Hague, Netherlands . The painting Girl before a mirror is 63.9 cm by 45.8 cm and 125.0 inch by 39.37 inch . This was painted in 1919 . The artist of Girl before a mirror was René Magritte .  pen and ink was the medium for this
René Magritte used  pen and ink medium for painting