Dr. Ph. Martin Radiant Watercolour lightfastness test. The top image is freshly painted, bottom is 77 days in direct sunlight. : r/traditionalflash

Dr Ph. Martins : Radiant Watercolor Dye

Lightfast Watercolour Ink - Dr. Ph. Martin's Hydrus

Dr. Ph. Martin's RADI05OZSETA Martin's Radiant

Dr. Ph. Martin's RADI05OZSETA Martin's Radiant

Dr Ph. Martins : Radiant Watercolor Dye

Painting With Dr. Ph. Martin's

A Brighter Child - Search results for: 'flash card

Dr. Ph Martin's Radiant Concentrated Watercolor; color chart

Dr. Ph. Martin's Radiant Concentrated Water Color

Norway Blue (33C) in a 0.5 oz glass bottle with dropper Brilliant and highly concentrated color ideal for nearly any porous surface Transparent

Dr. Ph. Martin's Radiant Concentrated Water Color, 0.5 oz, Norway Blue (33C)

Lightfast Liquid Watercolors? // Dr Ph Martin's Hydrus Watercolor

Dr Ph. Martins : Radiant Watercolor Dye

Lightfast Liquid Watercolors? // Dr Ph Martin's Hydrus Watercolor

Lightfast Watercolour Ink - Dr. Ph. Martin's Hydrus