Photographic prints that are made following one of the processes in which the final image is composed of pigments and not of silver or other metals. Use this term if the specific pigment process is not known. Do not use this term for inkjet prints. (Project Fotografie)
https://data.cultureelerfgoed.nl/term/id/cht/82c7877b-05ba-41a7-ad55-cc98129ac3d1