Featured Image: GIF showing reference samples of wool with indigo and other dyes used in combination, imaged with different techniques. Samples 1–3 (top row) are cochineal overdyed with indigo; samples 4–7 (first and second rows) are indigo overdyed with cochineal. The red response in IRRFC and white response in IRR is consistent in the object and the cochineal with indigo overdye samples

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