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Re: DuPont DETACLAD "Explosion Bonded" clad coinage ingot sample circa 1964

seaglass100

December 13, 2021 3:13PM

Hi, I found this at my parents house. My grandpa worked for DuPont. Is this the same as what you are all mentioning ? https://ibb.co/4MmrVm5 https://ibb.co/bNNS7Nm https://ibb.co/r3VFWpH https://ibb.… (View Post)

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