super rare 1920's - 1930's Italian 13.5" Frosolone style automatic switchblade knife made in maniago Italy by Renzo Pascotto for AGA Campolin of Maniago Italy , 1 of only 3 made in real genuine Mother of Pearl handles with no cracks or chips ,thick D-stamped brass liners and solid brass pins, solid Nickel/silver bolsters button and safety, polished stainless steel blade, 2 piece style slip in type spring/backspring , backspring/blade measures 5mm thick and is stamped (AGA CAMPOLIN) long ways on blade and ( Made in Italy) stamp on tang of blade. straight and tight all around with good fast kick .   even though this has a AGA campolin stamp it was made by Renzo Pascotto for AGA campolin around 2010.   only 3 were made with Genuine Mother of pearl and this is 1 of them ,this knife is from the very first run of 13.5" Frosolone made by Renzo Pascotto,  no other stamps or marks anywhere on knife.   knife is mint/new condition.   serious offers only .  this knife is made like automatic Italian switchblade knives from Frosolone Italy sometime in 1920's to 1930's.