A Marble Head of Apollo, Roman Imperial, 1st half of the 3rd Century A.D.

most likely from a sarcophagus depicting the Muses or the myth of Marsyas, turned to his left, with full parted lips, straight nose, and heavy-lidded eyes with drilled crescentic pupils, his hair bound in a laurel wreath.

French private collection, Paris, 1960s

Note chip to proper right lower jaw and side of chin, otherwise head is in very much the same condition on side not shown in the printed catalogue as it is on side shown, tip of nose chipped, minor chips to laurel leaves.
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For related examples see the heads of Apollo on the Muse sarcophagi at Woburn Abbey, Castellamare de Stabia, and especially Agliè (M. Wegner, Die Musensarkophage [Antiken Sarkophagreliefs, 5,3]  Berlin, 1966, pls. 42a, 42b, and 45b).