Great idea for a post, Teoh! :^)
I'm curious about your source for Manganese Blue Hue being not so lightfast, I've never heard that before – about _any_ PB15 variant.
You can see Jane Blundell's light test of it, on this page: https://janeblundellart.blogspot.com/2014/09/next-lightfast-test-results...
Great idea for a post, Teoh! :^)
I'm curious about your source for Manganese Blue Hue being not so lightfast, I've never heard that before – about _any_ PB15 variant.
You can see Jane Blundell's light test of it, on this page: https://janeblundellart.blogspot.com/2014/09/next-lightfast-test-results...