Watch List notes:

(x) Roman Republic, L. Calpurnius Piso Frugi (90 BC), AR Denarius, 3.96g, 8h, Rome, laureate head of Apollo right, mark of value behind, A before, rev. horseman right with palm-branch, R • above, three further dots in surrounding field, L PISO FRVGI below (RRC 340/1; Sydenham 671; RCV 235), neatly centred with a hint of tone, a linear die split to reverse, otherwise about extremely fine.
Provenance
The Peter Stagnetto Collection of Ancient Coins
Spink Numismatic Circular, June 2002, RM0847 - £135
, ,
NGC 'Choice AU' (#5878600-001). Strike 5/5. Surface 3/5.
, https://www.ngccoin.com/certlookup/5878600-001/NGCAncients/
Estimate: £80 - £120