Gilroy Roberts Auction Prices and Value Guide
Gilroy Roberts auction prices are tracked in Appraisily's artist market index, with source-directory coverage of 192 records. Use this page to review sold-lot activity, market context, and valuation factors before requesting a formal appraisal.
Gilroy Roberts auction prices: quick answer
Gilroy Roberts auction prices depend on medium, size, date, condition, provenance, edition details, attribution confidence, and recent comparable auction sales.
- Artist
- Gilroy Roberts
- Source records
- 192
- Market update
- 2026-02-16
Artist context
About Gilroy Roberts
Gilroy Roberts (1905–1992) was an American sculptor, engraver, and medalist best known as the ninth Chief Engraver of the United States Mint, a position he held from 1948 to 1964. During his tenure, Roberts was responsible for designing and modeling several of the most recognizable coins and commemorative medals in modern American numismatics. His most celebrated work is the obverse portrait of President John F. Kennedy on the half dollar, first issued in 1964 and still in production today. Trained as a sculptor and medallist, Roberts brought a refined classical sensibility to official US coinage at a time when the Mint was transitioning from older engraved master hubs to modern reduction methods. Beyond federal coinage, he produced inaugural medals, presidential medals, and private commemorative issues that remain widely collected.
coin and medal engravingsculpturenumismatic portraiture and commemorative design
Common works and media
Roberts' output spans US circulation coinage designs, proof and mint-set coinage, presidential and inaugural commemorative medals, military service medals, and privately commissioned plaquettes and medallions. The 1964 Kennedy half dollar obverse is his most frequently encountered work. Collectors may also find his inaugural medals for Presidents Eisenhower and Kennedy, the Benjamin Franklin half dollar reverse (co-designed with John R. Sinnock), and various Masonic and organizational medals. Sculptural maquettes and original plaster models occasionally surface at auction.
Market and appraisal context
Roberts' work appears most often in numismatic auction categories—coins, medals, and plaquettes—rather than in fine-art sculpture sales. The Kennedy half dollar obverse is his most visible design, but standard circulation strikes carry minimal individual value. Collectors should focus on proof strikes, early-release specimens, high-grade examples, original plaster models, signed dies, and limited-issue commemorative medals when assessing appraisal significance. Provenance linking a piece directly to Roberts' personal production or Mint tenure can materially affect value. Condition, strike quality, mintage figures, and professional grading (PCGS, NGC) are primary value drivers in this segment.
Auction categories and appraisal factors
Common auction categories
- Coins, Medals & Plaquettes
- Sculpture
Value drivers
- Provenance tied to US Mint official production increases collector interest
- Medals and plaquettes in original packaging or with documented issue numbers tend to carry premium over loose pieces
- Roberts is best known for the Kennedy half dollar obverse (1964), one of the most widely produced US coins, but original dies, plaster models, and proof strikes signed by Roberts are far scarcer
Appraisal caveats
- Mass-produced US coins bearing Roberts' designs are not scarce; appraisal value depends on rarity of the specific strike, grade, and whether the piece is a proof, pattern, or signed model rather than a standard circulation issue.
- The source pack does not include specific auction-house records; realized-price comparables should be verified against recent numismatic sale catalogs.
Evidence
Sources for artist context
This source-grounded artist context passed Appraisily's promotion threshold: high confidence, strong sources.
- Wikidata library authority
- Wikipedia wikipedia
- Getty Vocabulary Program library authority
- VIAF library authority
- Library of Congress library authority
Data basis
This page is built from Appraisily's public auction market index. Private transactions, incomplete sale feeds, and attribution changes may not be fully represented.
Artist value FAQ
How much is Gilroy Roberts worth?
Comparable public auction sales are the best starting point, but final value depends on the specific artwork, condition, size, medium, provenance, and attribution confidence.
Can Appraisily value my Gilroy Roberts artwork?
Yes. Appraisily can review photos, dimensions, signatures, condition, provenance, and comparable market data to prepare a current valuation.