Bidspirit auction | Unknown artist, 'Activity in the

Unknown artist, 'Activity in the glassworks of N.V. De Kristalunie in Maastricht' (circa 1950) - Unknown artist, 'Activity in the glassworks of N.V. De Kristalunie in Maastricht' (circa 1950) Unsigned. Watercolour, 44 x 43 cm. M. l. 69 x 63 cm.