Antoninianus
Gordian III · Observed / Range
Source location: Book 1, Chapter 6, PDF p. 29, Pricing Schedule
Certified / slabbed evidence
XF roughly ~$90-110; Choice XF roughly ~$90-155, center near ~$105-120.; Separate grade table
Current fixed-price retail
Current external raw Rome antoninianus retail median about $65.
Raw auction
Source-reconstructed raw Rome antoninianus buyer-inclusive median about $58 (n=83).
Published schedule observations (not raw-auction tiers)
Entry: $25-$45; Typical: $45-$80; Choice: $80-$160
Market / specialist note
$160+ exceptional; special-market outliers separate
What affects this price?
Even within one ruler, denomination and type, grade, strike, centering, surfaces, style, patina, rarity, provenance, and tooling or smoothing can materially change value. These are not automatic numeric adjustments.