Wallace Seymour Vintage Watercolour Tillyer Esk Green ( Nitroso-Smalt complex)

Tillyer Esk Green (Nitroso-Smalt complex) (PB 32)  (PG 8)
Special shade, mixed for English artist William Tillyer. Granular – shows lucid deep green under shade when pulled with water into a wash. Colour named after River Esk, North Yorkshire, England.