Would like ID please - shell is 76 years old

[paul monfils]

This is the King Helmet Shell, scientific name Cassis tuberosa. Florida is the usual northern limit of its geographic range, though it occasionally is found as far north as the Carolinas. It is primarily a Caribbean species, ranging all the way south to Brazil. It is also found on the other side of the Atlantic, in the Cape Verde islands. It reaches about 10 inches in length, occasionally larger. It feeds on sea urchins and sand dollars.