WC, from this page in the 1900 Manufrance catalogue it could be inferred that the
P is either for Poudre or for Pyroxylée, so...


Best,

JC

P.S.: Crown over F is for black powder proof with "Poudre Forte Nº2", so I imagine
that is where the F comes from. jc


"...it is always advisable to perceive clearly our ignorance." Charles Darwin