Vintage Italian alabaster marble bookends, carved stone orb book ends

Pair of beautiful carved alabaster orb bookends, set on white stone marble bases. These are made in Italy, 60s vintage, I think?

Each of the orbs is 2 1/4" in diameter, and the book ends stand 3" tall overall. These aren't hugely heavy, and are nicely sized to fit on a small desk or reading table.