November 6, 2023 Amy Shulke Ohuhu Marker, Ohuhu Swatch, Ohuhu Test 120 Black: Testing Ohuhu Markers for Lightfastness and Quality November 6, 2023 Amy Shulke Ohuhu Marker, Ohuhu Swatch, Ohuhu Test 120 BlackLet’s take a closer look at this Ohuhu Marker and its ink characteristics.
