Watch List notes:

P. Calpurnius Lanarius. 133 B.C. AE semis (24.36 mm, 7.17 g, 2 h). Laureate head of Saturn right; S behind / Ship sailing right on which stand a pilot and Victory; P. CALP above, ROMA on side of ship, S before, dolphin below. Crawford 247/2. VF. Extremely Rare. 

From the RBW Collection; Ex Vico 12/99.