Lot 16 – A pair of early oil-well, drill-casing-perforating cartridges by Peters. The first has a plain steel case, copper obturating ring at the mouth, and a sharply pointed plain steel projectile. The headstamp is “PATD. DEC 8, 1931 PAT. PEND PETERS.” Presumed to be a dummy because the flat nickel primer cup has a small hole in it. The other specimen is bright nickel plated. It has no obturating ring at the mouth, and its steel projectile is copper plated. The headstamps are about the same. The nickel-plated round has a struck nickel primer. Ex-Woodin collection. $250-350