October 2, 2023 Amy Shulke Ohuhu Marker, Ohuhu Swatch, Ohuhu Test YR190 Cadmium Orange: Testing Ohuhu Markers for Lightfastness and Quality October 2, 2023 Amy Shulke Ohuhu Marker, Ohuhu Swatch, Ohuhu Test YR190Let’s take a closer look at this Ohuhu Marker and its ink characteristics.
