Apollo kitharoidos (holding a lyre). Marble, Roman artwork, 2nd century CE, influence of Hellenistic statuary of the 2nd century BC. From the Temple of Apollo at Cyrene (modern Libya).

The Apollo of Cyrene is a colossal Roman statue of Apollo found at the ancient city of Cyrene, Libya. This enormous sculpture was discovered in the mid-nineteenth century at the Temple of Apollo at Cyrene in Libya, where it was probably the main cult image. It was excavated by the British explorers and amateur archaeologists Captain Robert Murdoch Smith and Commander Edwin A. Porcher. The statue was found broken into 121 pieces, lying near the large plinth where it originally stood. The fragments were later reassembled in the British Museum to create a relatively intact statue with only the right arm and left hand missing.

Source: https://en.wikipedia.org/wiki/Apollo_of_Cyrene