Fly series. AE As, c. 179-170 BC. Obv. Laureate head of Janus; above, mark of value I. Rev. Prow right; above, fly and before, mark of value I. Below, ROMA. Cr. 159/3. 31.69 g. 34.00 mm. R. Rare. Obverse slightly off centre. Bright olive green patina. About VF/VF.