In the French forum topic linked above, there’s a 2007 pic of a supposed 1941 resale version PCB, from a Japanese PCB shop (G-Front I think):
https://imgbb.com/BGwf3Kp
Pic provided by manimani, a French CPS1 collector who has IIRC worked in a Japanese PCB shop in the 90’s.
https://imgbb.com/BGwf3Kp
Pic provided by manimani, a French CPS1 collector who has IIRC worked in a Japanese PCB shop in the 90’s.