Island whose name is another word in this puzzle spelled backward

Usage examples of elba.

Two weeks later the poem was delivered to the island of Elba, off the Tuscany coast, where the creamy page was delicately peeled apart to reveal the India paper inside.

And one of the most famous palindromes was supposedly said by Napoleon: `Able was I ere I saw Elba.

Years later, Kirk helped save his hero when Garth became criminally insane and was being treated at the Elba II penal colony.