Watch List notes:

Q. Antonius Balbus. AR Denarius serratus, 83-82 BC. D/ Laureate head of Jupiter right, S.C behind. R/ Victory in quadriga right; below horses, L; in exergue, Q. ANTO. BALB/ PR. Cr. 364/1d. AR. g. 4.66 mm. 20.00 Great metal. An exceptionally overweight example, well centred and superb, brilliant and lightly toned. Good EF/EF.

Possibly the heaviest example known.