Vintage Italian Trap door OTF Automatic switchblade Brazilian horn *First Model*

best price anywhere on this rare first model Italian OTF, NOS rare and hard to find Vintage Italian OTF Trapdoor automatic switchblade knife made in maniago italy in 1962-1963,this is the very first model made without wire tensioner added for trapdoor,this is first model made and has slightly smaller bolsters than second model made, this knife has never been fixed or modified all parts on this knife are original , this is not one of the knives another seller is selling with re-made trapdoors,  this knife was found in attic of old warehouse where these knives were made back in 1962 or 63 in Maniago Italy, this is the Brazilian cow-horn handled model with chrome plated brass frame , brass pins secure the brazilian horn handles, does have lite scratches here and there but is expected for a 60 year old knife  , 8-1/4" in open position , stainless steel blade stamped ( C.JUL HERBERTZ IMPORT) on front tang and ( Patent Rostfrei) on back tang, original red dot safety , nickel/silver button and safety cap,lite scratches here and there on bolsters as well but expected for a knife 60 years old,everything works as intended. these work by pointing downwards push button blade will eject automatically, to close turn knife upwards push button blade will fall back into handle then use trapdoor to push blade down to cock it for next firing. knife is NOS and is in "as found" condition never cleaned or polished ,good spring on this one ,everything works as intended, being sold "as is" , any questions please ask.