Watch List notes:

Lucius Aurelius Cotta, 105 BC. Denarius Serratus (Silver, 19.5 mm, 3.93 g, 8 h), Rome. Draped bust of Vulcan to right, wearing laureate pileus; behind, mark of value above tongs; below chin, O·; all within wreath. Rev. L · COT Eagle standing right on thunderbolt, wings displayed and head left; all within laurel wreath. Crawford 314/1b; Sydenham 577; Aurelia 21. Babelon (Aurelia) 21. Crawford 314/1b. Sydenham 577. Well-centered and bold. Very fine.
From a Dutch collection.