It's extremely valuable scrap metal, smelted before the nuclear age, so useful for scientific and research instrumentation. Could be worth a whole lot more than bronze scrap. Shipwrecks are being raided for the "low-background" metals, especially steel and lead. It is apparently big business, fetching US$33 per kg. Bronze may be in demand for experimental purposes too... See here: https://pubmed.ncbi.nlm.nih.gov/19019691/
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