That is Priceless by Steve Melcher for November 02, 2021

These were “purchased” from Bruce, Earl of Elgin. / Grecian rights to Greek art, thereby squelchin.’ / Many laws the Earl garbles; / so the Greeks lost their marbles. / (On the curator’s breath you can smell gin.) /// Torn from Parthenon— if you would see ‘em, / you must come to the British Museum. / Back in Athens they yearn / for the marbles’ return. / We can only hope Britain will free ‘em.