Watch List notes:

Anonymous: PT or TP in ligature. Semis, 10.93g (1h). Rome, 169-158 BC. Obv: Laureate head of Saturn right, S behind. Rx: Prow right; PT ligate above, S before, ROMA below. Crawford 177/2. Sydenham 353a. Scarce; nine specimens in Paris. Somewhat rough. VF

Ex RBW Collection, with collector's envelope; privately purchased from Tom Cederlind in 1995