DelTech selling coins from Spanish fleet to benefit Georgetown campus
The late Melvin Joseph knew his collection of 16th-century shipwreck treasures so well, he once drew an emerald and diamond necklace from its display case and gave a gem count.
"Three hundred twenty diamonds, 23 emeralds. There's one diamond missing, one little diamond," he explained in 1988.
Joseph ended up donating a large portion of his treasure collection -- salvaged from the shipwrecks of the Nuestra Señora de Atocha and the Santa Margarita -- to a Delaware Technical & Community College foundation. . . .
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