PFP is a developer based on Phenidone as a substitute for Metol. The enclosed instructions are reproduced below. The last page of the instructions has a 57 in the corner. This might indicate 1957.
I decided to test the developer with some Velox as it was from a similar time.
It is small paper which fits a small Bakelite contact printer I got with the developer. I only used the contact printer to hold the paper and used the 6x6 red mask to frame it. I aimed my enlarger at the paper as I did not wish in separate the individual negatives to fit them in the printer. As individual negatives they are impossible to put back into sleeves. The prints are not as clear as a result.
I mixed the developer per the instructions. As I have found with …