Winsor and Newton Series 666 Cotman One Stroke Watercolour Brushes 1 in (25 mm)

Winsor and Newton Series 666 Cotman One Stroke Watercolour Brushes 3 8 in (9.5 mm)

Winsor and Newton Series 666 Cotman One Stroke Watercolour Brushes 1 4 in (6 mm)

Winsor and Newton Cotman Watercolour Series 111 Designers' Brushes No. 9

Winsor and Newton Series 666 Cotman One Stroke Watercolour Brushes 1 2 in (13 mm)

Winsor and Newton Cotman Watercolour Series 667 Angled Brush

Winsor and Newton Cotman Watercolour Series 222 Brushes No.

Winsor and Newton Cotman Watercolour Series 888 Short Handle Fan Brush No. 4

Winsor and Newton Cotman Watercolour Series 888 Fan Brush No. 2 (short handle)

Winsor and Newton Cotman Watercolour Series 111 Designers' Brushes No. 7