HIGF CLASS PAT 390224 16cm Japanese Purple Dragon Brass lever automatic knife

HIGH CLASS PAT 390224 16cm Japanese Purple Dragon Brass lever automatic knife made in Japan in the 1960s or 70s. It measures 15.5cm (6 1/8 inches) open and 3.5 inches closed with steel liners and brass bolsters, lever & pins. The clip blade is 88% full with patina, scratches & spotting and is etched HIGF CLASS on the face of the blade and the tang is stamped PAT 390224. The scales have a purple background with painted white dragons under clear acrylic and in very nice condition. The knife works well with blade tip well below liners closed, good snap and good lockup with about 1/16" movement each way at the tip. No rattle if shaken with blade open. G+ condition.