You found an MFing Musa!!! Simply incredible find my friend I believe yours is: Q. Pomponius Musa, Denarius, Rome, 56 BC. AR . Laureate head of Apollo r.; lyre behind, Rv. Polymnia, the Muse of Rhetoric, standing facing in pensive mood, wearing long flowing tunic and peplum; Q•POMPONI to r., MVSA to l. My only Musa is the Muse of music, song and dance. And that's a fourré Q. POMPONIUS MUSA. Fourrée denarius (56 BC). Rome. Obv: Laureate head of Apollo right; sceptre to left. Rev: Q POMPONI MVSA. Melpomene standing left, wearing sword and holding club and mask.Cf. Crawford 410/4 (for prototype).Fine.2.95 g, 17 mm. Numismatik Naumann Feb 2021
My only Musa: Q. POMPONIUS MUSA ROMAN REPUBLIC; GENS POMPONIA AR Denarius OBVERSE: Laureate head of Apollo right; sandal to left REVERSE: Thalia, the Muse of Comedy, wearing long flowing tunic and peplum, standing left and leaning left arm on column, holding persona (comic mask) in outstretched right hand Rome 55 BC 3.39g, 16mm Crawford 410/9b; Sydenham 821; Pomponia 19