Watch List notes:

PT or TP series. AE Triens, c. 169-158 BC. Obv. Laureate head of Janus; above, I. Rev. Prow right; above, PT/TP ligate; before, I; below, ROMA. Cr. 177/3. AE. 7.80 g. 20.50 mm. RR. Very rare. Nice green patina with minor earthy deposits. Light scratch on obverse. Good VF.