watercolor, Johannes Bosboom, 1870-1880, watercolor, ink, paper, painted, Carrier: 28.5 x 20.2cm, 285 x 202mm, Day size: 28.5 x 20.3cm, 285 x 203mm, With passe-partout: 42, 5 x 30cm 425 x 300mm, church, church organ, interior, Watercolor with the rep