Very rare pepperbox with pin caliber 10 mm, model... Lot 6

Very rare pepperbox with pin caliber 10 mm, model with four rotary Damascus barrels and lower percussion, trigger with ring, frame engraved of acanthus and foliage, stamped EF on the flange, stick drop of water with plates ebony, needle in the pommel allowing to unscrew the barrels, BE-TBE, LT 21 cm, France in the middle of the XIXth, category D