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Sidero-Cupreatype / Bleaching with caustic soda

Contexte & Histoire

If severely discoloured, can be used as a base for recolouring afterwards.

Cards for this variante

Fiche #65
Greyish blue Pearl White Pink Pale Lavender Lavender White Taupe
365nm
#65
Fiche #69
Greyish blue White Grey green Pale Beige Pearl White Pale pink Lavender White Taupe
365nm
#69