RPK 22cm Russian Prison Knife Swing guard Wood handles vintage automatic knife

Vintage Russian RPK (Russian Prison Knife) switchblade knife believed to be made by inmates of Russian prisons back in the 1950s through the 1970s to be sold to raise capital for the prisons and given by prison personnel as bribes and gifts. They are all hand made and very unique pieces of Russian cutlery Folk Art. This knife measures 22.2cm (8.75 inches) open and 4.75 inches closed with steel liners, button and guards. The saber grind clip blade is nearly full and shiny with lots of scratches and a few tiny light rust spots and has a nail nick. Soft wood scales are in good condition with grooves. The knife works well with the blade tip seating deep in the well when closed, smooth strong snap and Tight lockup when open.  Press button to open and press button to release blade to close. VG+ condition.