Subtractive 3 color: dye destruction process, silver dye-bleach, still photography
“Between 1970 and 1976, Agfa-Gevaert produced its own silver dye-bleach printing material on a white-pigmented acetate base called Agfachrome CU 410.28 Only available to a few photofinishers in Germany, it was used to print amateurs’ ...
Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 218.