Here's two from long ago,70s'/80s' ? I was given them by a coin shop proprietor back then. Was only given two and put them aside. Headstamp is HYDRA-SHOK. Don't know the manufacturer. Not to be confused with the current Federal Hydra-Shok,but maybe they were Federals' early/initial version.
Last edited by oldman10mm; 06-25-2020 at 09:22 AM.
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