this is the model made  with the xtra wire tensioner for trap door --mint condition and rare vintage *Rosa Uliana Primo* Italian "Brazilian Horn" model OTF (out the front) automatic knife hand made in maniago italy in 1962 by Rosa Uliana Primo and brother, knife is new old stock found recently in warehouse attic where they made these knives back in 1962, this knife has been in storage since 1962 and is new old stock never owned by anyone . 8-1/4 inches in open position ,metal frame , nickel/silver button and safety,  Genuine Brazilian Horn handles with original red dot safety ,lite sctratches here and there also has some roughness on sides (see pics), this knife has been in storage for 60 years and is NOS and could be polished to look new but i leave that to buyer it is in "as found" condition,  stainless steel blade stamped on front tang (C.Jul Herbertz IMPORT), and ( Patent Rostfrei) on back tang , this one does open fully ,blade will not go back by itself with push of button, you have to use fingers or pus tip of blade against piece of wood and blade will go back down,  being sold as defect .

Item # 74841