Thank you for {Like}. This photo is like a “coloring page”, printed from a single negative film on a multicolor photo. Apply 4 or more pigment sensitizers on paper and repeat baking and development to complete.
I thought about a method of fixing it.
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Cabinet Directly drip the liquid on the photographic paper, lightly tilt, at an appropriate place,
Developing, fixing process www The image,
Enlarged copy to negative film, 3 color pigment print.