Astra Model 600/43, .9mm cal. automatic pistol.  Serial #56157, mfg. Unceta Y Compania, Spain.  Very good condition.  4” barrel has excellent bore.  Slide and frame have 80% original blue with some muzzle and slide wear, crisp markings.  Walnut grips have excellent, full-coverage checkering.  Correct magazine.  Action works perfectly.  Interesting military pistol – beautifully made.  C&R OK.