Attribute Obverse, Reverse, and Legend
2-4 hours per coinTranscribe visible legends, identify portrait style, and match deity or architectural reverse types to reference catalogs.
Field context
This workflow is part of 4 niche fields
Complete guide for ancient coin research — step-by-step workflow, tools, checklist, and expert tips to get started.
Transcribe visible legends, identify portrait style, and match deity or architectural reverse types to reference catalogs.
Weigh to 0.01 g, measure diameter with calipers, and compare to expected standard for attributed issue.
Compare fabric, centering, and patina to auction archives — modern fakes show uniform sand-blasted surfaces.
Record auction house, hoard source, and historical ruler context; add citations from BMC or Sear references.
Interactive 4-phase technical roadmap from prep measurements to final inspection.
Accurately gauge working surface dimensions, inspect sub-layer conditions, and establish reference benchmark baselines.
Adjust project scale to dynamically estimate required materials & budget for Ancient Coin Research Guide.
Covers 165 sq ft required materials.
Estimated essential tools & safety gear.
Baseline DIY execution cost estimate.
Document attribution chain, weight measurements, provenance sources, and bibliographic references for each ancient coin.
Convert measured coin weight to expected ancient standard denominations for authenticity verification.
Calculate reign dates and coin issue windows from ruler attribution for historical context.
Archive high-resolution obverse and reverse images for comparison with auction catalog plates.
Target weights for common Roman silver denominations (ideal mint state).
| Denomination | Metal | Target Weight |
|---|---|---|
| Denarius | Silver | 3.6–3.9 g |
| Antoninianus | Billon | 3.0–3.5 g |
| Aureus | Gold | 7.0–8.0 g |
| Sestertius | Orichalcum | 25–28 g |
Pay modest premium for dealer-attributed coins while learning — self-attribution errors are costly.
Natural patina is uneven and embedded — applied patina wipes off with acetone test on inconspicuous spot.
Silver denarii under $30 are almost always fakes — if price seems impossible, walk away.
Crucial code requirements, material risk alerts, and prevention checklists for Ancient Coin Research Guide.
⚠️ Risk Warning: Purchasing net calculated material causes project delays when cuts or breakage occur.
💡 Prevention Action: Always add a 10%-15% buffer allowance to initial calculated quantities.
⚠️ Risk Warning: Applying finishes to dusty or uneven surfaces reduces adhesion by up to 60%.
💡 Prevention Action: Vacuum, prime, and check levelness (max 1/8" gap over 10 ft) before starting.