Antoninianus
Trajan Decius · Observed / Range
Source location: Book 1, Chapter 9, PDF p. 47, Pricing Schedule
Certified / slabbed evidence
NGC XF Heritage auction realizations $120, $170, and $240; displayed median realization $170.
Current fixed-price retail
Active raw regular Rome antoninianus asks n=5; $47–$190; median ask ~$99.
Raw auction
Buyer-inclusive regular raw Rome antoninianus median ~$63 (n=31); 20th-80th percentile ~$49-$76.
Published schedule observations (not raw-auction tiers)
Entry: Observed center; Typical: Buyer-inclusive median ~$63; Choice: 20th-80th ~$49-$76
Market / specialist note
Compare the exact type, grade and surfaces; evidence channels are not interchangeable.
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.