Wallace Seymour Vintage Watercolour Iron Plum

Iron Plum (Rudstone PR 101, Backbarrow Blue PB 29)
Unique blend of Backbarrow Blue, a form of Ultramarine as produced at Backbarrow, to the south of Windermere, milled with Yorkshire Rudstone. Strong, plummy blue-violet shade. The two colours are revealed when strongly diluted. Semi-transparent. Granulates.