Sharon,
I didn't test any of Diana Townsend's pastels, unless she calls them Artworks. I didn't test The Great Americans, either, unless they go by another name.
Ultramarine blues are reliable in all brands I tested.
I would hold off purchasing pastels for a while, as the manufacturers will probably improve their lines as a result of the tests being done, and if so, we will get more lightfast pastels if we wait until then. At least we will have a better idea which ones we can expect to hold up if we have the full test results to refer to in making our choices.
Virgil Elliott
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