1950s / 60s CPO Shirt Frost Proof,1950s / 60s Navy CPO Shirt William Barry Salty,44th Collectors Avenue - US Navy dark blue wool CPO shirt w/ 1 chest pocket,Buzz Rickson's US Navy Wool Flannel CPO Shirt – Navy – Statement - The Denim Store,Original Late 1960s Men's Naval Wool CPO Shirt | Authentic & Vintage | ReSee