Limited edition Astronaut Knife M-1 Model 1966 manufactured by W. R. Case and Sons. Machete-style knife measures 16.5″ in length and is numbered 1490 on the stainless steel blade, which features one straight edge and one serrated. Knife also boasts a special polypropylene handle, and is housed in its original 20.5 x 8.5 display case, complete with informational plaque. In fine condition. This is the same type of knife which was part of the survival package carried on the Molly Brown by John Young and Gus Grissom. RR Auction COA.