THE SHORT ANSWER
Bullion begins with fine gold; numismatics begins with exact attribution
For standard bullion, verify the official specification, fine-gold content, condition and same-product market near the effective date. For a potentially collectible coin, first establish denomination, date, mint, variety, authenticity scope, grade and condition, then research comparable transactions. Do not award a collector premium merely because a coin is old, slabbed or advertised as rare.
ROUTING TEST
Identify the economic object before selecting the method
BULLION EVIDENCE
Use specifications and executable market evidence together
- Match the exact mint, program, size, year or version and finish.
- Verify official fine-gold content rather than multiplying total mass by a guessed fineness.
- Record condition, damage, cleaning, packaging and certification without assuming authenticity.
- Capture same-time metal reference and same-product dealer bid or transaction evidence.
- State quantity, payment, shipping, fees, taxes and whether the observation is retail ask, wholesale or bid.
The U.S. Mint tells buyers to understand spot and market premiums, check published weight and diameter specifications and research the dealer. Those are strong inputs, but official specifications for a genuine coin do not prove that the submitted item is genuine.
NUMISMATIC EVIDENCE
Grade is one variable, not a complete price model
Publication 561 cautions that price guides express an author's opinion near the publication date and that only a trained grader can distinguish fine grade differences. A price-guide entry therefore needs market-date and property-specific support before it becomes appraisal evidence.
COMPARABLE SALES
Normalize the sale before calling it comparable
Match attribution, grade, holder or raw status, color or surface designation, condition problems, provenance and market venue. Record hammer price separately from buyer's premium, seller's commission, tax, shipping and currency conversion. Explain time and market adjustments instead of selecting only the highest result.
If the coin cannot be attributed confidently, report the limitation and use a conditional analysis. A metal reference can protect against treating gold as valueless, but it cannot manufacture a collectible conclusion from an unknown coin.
WHEN THE ANSWER CHANGES
Escalate when a small identification difference can change the market
Seek a coin specialist when date, mint, variety, edge, finish, alteration, grade or authenticity could materially change value. Standard bullion research may be sufficient when the product is fungible, specifications are verified, condition is ordinary and active two-way same-product evidence exists for the effective date.
PRIMARY AND STANDARDS SOURCES
Read the source that controls the assignment
- IRS Publication 561 and IRS Art Appraisal Services for fair-market-value, coin and jewelry evidence, qualified appraisal, qualified appraiser and report-content rules in federal tax assignments.
- The Appraisal Foundation's USPAP resource and personal-property appraisal overview for current standards and qualification context. USPAP applicability depends on law, policy, contract or professional obligation.
- U.S. Mint bullion consumer awareness, official bullion programs and PCGS grading standards for product specifications, premium context and the boundary between grade and market value.
Reviewed July 31, 2026. Tax, insurance, court and professional standards can change. Confirm the exact assignment date, jurisdiction, policy, form instructions and appraiser obligations before relying on a report.
QUESTIONS
Bullion and numismatic questions
What is the difference between bullion and numismatic appraisal?
Bullion appraisal is usually led by supported fine-metal content and same-product market evidence. Numismatic appraisal also requires attribution, authenticity scope, grade, variety, rarity, demand, provenance and comparable transactions.
Does a coin grade determine its value?
No. Grade is one property characteristic. PCGS explicitly notes that a grade should not be used by itself to determine value from a price guide. Date, mint, variety, demand, venue and transaction date still matter.
Is every old gold coin numismatic?
No. Age alone does not create a collectible premium. The relevant market must show demand for the exact type, attribution, condition and date.
Can a bullion coin have collector value?
Yes, but the premium must be supported. Special finish, low mintage, grade, variety, condition or provenance can matter while ordinary bullion issues remain primarily metal-led.