--- title: "Ronald Westerhuis 'Sun' Stainless Steel Sculpture | Curiosa.com" description: "Measuring 1750 mm in diameter, this monumental spherical sculpture is executed in stainless steel (RVS) mounted on a square weathering steel (Corten) plinth...." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "Product", "name": "Ronald Westerhuis 'Sun' Stainless Steel Sculpture", "description": "Measuring 1750 mm in diameter, this monumental spherical sculpture is executed in stainless steel (RVS) mounted on a square weathering steel (Corten) plinth. The primary surface features an aggressive, overlapping orbital-sanded texture that scatters ambient light, contrasting with deep, mirror-polished concave voids. These highly reflective cutouts invert and distort the surrounding landscape, actively shifting the viewer's spatial perception. 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The primary surface features an aggressive, overlapping orbital-sanded texture that scatters ambient light, contrasting with deep, mirror-polished concave voids. These highly reflective cutouts invert and distort the surrounding landscape, actively shifting the viewer's spatial perception. The accompanying Collectie Harms Rolde placard confirms the creator as Ronald Westerhuis (Dutch, b. 1971), titles the work 'Sun', and identifies it as a unique uneditioned artwork ('uniek'). Compare with other artworks in the archive: [Contemporary Wall-Mounted Convex Dome Sculpture with Mirror Inset](https://curiosa.com/archive/art/ronald-westerhuis-rainbow-convex-wall-sculpture-2022), [Guillaume Corneille (Dutch, 1922-2010) - Abstract Composition, Mixed Media on Paper, 1962](https://curiosa.com/archive/art/abstract-composition-by-corneille-1962), [Contemporary Impasto Seascape with Pilings](https://curiosa.com/archive/art/abstract-seascape-with-pilings). ## PERIOD & ATTRIBUTION Ronald Westerhuis frequently utilizes offshore industrial fabrication techniques to manipulate heavy-gauge stainless steel into refined geometric forms. His work aligns with the optical interventions of late 20th-century reflective sculpture, though his deliberate juxtaposition of raw, abraded ... Ronald Westerhuis frequently utilizes offshore industrial fabrication techniques to manipulate heavy-gauge stainless steel into refined geometric forms. His work aligns with the optical interventions of late 20th-century reflective sculpture, though his deliberate juxtaposition of raw, abraded steel against flawless mirror finishes grounds the piece in industrial material reality rather than pure illusion. Large-scale public commissions by Westerhuis are placed globally, notably including the stainless steel volumes of the National Holocaust Monument in Amsterdam, completed in 2021 alongside architect Daniel Libeskind. Read full story ## COLLECTOR NOTES 1 The gallerist's label indicates 'prijs op aanvraag' (price on request), standard for primary-market monumental works exceeding €25,000 in the European market. ## SCARCITY Very Rare 95-98% Common Legendary Museum-quality consideration with documented examples tracked by specialists. Appear at auction perhaps once a year. Rarity 8/10. Curiosa currently catalogues 1 art item at rarity 8 or higher. ### Typical Characteristics - Museum-quality consideration - Tracked by specialists - Auction house highlight pieces ### AUTHENTICITY CONFIDENCE Very High (95% confidence) #### Confidence Factors - Work is photographed on-site with an official Collectie Harms Rolde gallery label. - The monumental scale and specific offshore fabrication techniques deter casual forgery. - The visual signature perfectly matches the documented output of the artist's Zwolle studio. [How does authenticity detection work?](/fake-art-detection) ## THE ART SPECIALIST'S TAKE Museum-Trained Art Historian Connoisseur The presence of a direct gallery placard detailing the artist, title, dimensions, and medium, coupled with the highly recognizable signature style of the sculptor, provides near-absolute certainty. ### KEY EVIDENCE - 1 Official gallery label clearly attributes the work to Ronald Westerhuis, titled 'Sun'. - 2 Label specifies dimensions as 1750 mm and material as 'RVS op staal' (stainless on steel). - 3 The piece is marked 'uniek', identifying it as a singular creation rather than part of a numbered edition. - 4 The combination of orbital sanding and mirror-polished concave spheres is the artist's defining technical signature. ### WHAT WOULD IMPROVE CERTAINTY - → Confirm primary market pricing directly with Collectie Harms Rolde. - → Verify transportation logistics and base engineering requirements prior to any acquisition. COLLECTOR GLOSSARY (3 terms) ## CONDITION & GRADE ### Condition Displays excellent structural integrity. The stainless steel shows minor environmental water spotting consistent with its intended outdoor exhibition, while the Corten base exhibits an even, stable protective rust patina. ## ART MARKET VALUATION $35,000 - $75,000 Updated: May 11, 2026 How we estimate value ### Who buys this Private estates, corporate collections, and municipalities seeking durable monumental outdoor sculpture with strong visual impact. ### What increases value - • Monumental physical scale at 1750 mm diameter - • Documented unique piece ('uniek') status rather than an editioned cast - • Durable, outdoor-rated materials requiring minimal long-term maintenance ### What lowers value - • Substantial transportation, commercial rigging, and foundation installation costs - • Significant spatial requirements limiting the potential private buyer pool ### What makes top-tier examples - • Complex integration of multiple deep, flawless mirror-polished optical voids - • Pristine integration between the stainless sphere and its Corten plinth ### Grade & condition Absence of deep scratches in the mirror-polished sections, stability of the welds joining the sphere to the base, and uniform development of the Corten patina. ### Rarity & demand Very Rare Niche demand Specialist market [Browse similar art objects](/archive/art) For informational purposes only, not a formal appraisal. ## FROM THE CABINET OF [![The Collector](https://smpgbcsonkmwzognzosu.supabase.co/storage/v1/object/public/avatars/ff5db914-ae15-4a16-b7a7-b61c741ea110/avatar-1767558257141.jpg) ](/cabinet/the-collector) [ ### The Collector ](/cabinet/the-collector) Relic Hunter • 117 items [View Full Cabinet](/cabinet/the-collector) ### COMMENTS No comments yet. 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Sign in to leave a comment [Sign In](/auth) ## SIMILAR CURIOSITIES [ ![Guillaume Corneille (Dutch, 1922-2010) - Abstract Composition, Mixed Media on Paper, 1962](https://smpgbcsonkmwzognzosu.supabase.co/storage/v1/object/public/curiosity-images/ff5db914-ae15-4a16-b7a7-b61c741ea110/1-1769335271977.jpg) 7 ### Guillaume Corneille (Dutch, 1922-2010) - Abstract Composition, Mixed Media on Paper, 1962 ](/archive/art/abstract-composition-by-corneille-1962)[ ![Celia Hadeler - 'Canela Brown' Textile Artwork](https://smpgbcsonkmwzognzosu.supabase.co/storage/v1/object/public/curiosity-images/ff5db914-ae15-4a16-b7a7-b61c741ea110/1-1769336358750.jpg) 7 ### Celia Hadeler - 'Canela Brown' Textile Artwork ](/archive/art/canela-brown-by-celia-hadeler)[ ![Contemporary Dichroic Grid Sculpture, Attributed to Paolo Pio Paterno](https://smpgbcsonkmwzognzosu.supabase.co/storage/v1/object/public/curiosity-images/ff5db914-ae15-4a16-b7a7-b61c741ea110/1-1769342566333.jpg) 6 ### Contemporary Dichroic Grid Sculpture, Attributed to Paolo Pio Paterno ](/archive/art/no-21-by-rudy-nieuwenhuis)[ ![Karl Lagasse - 'One Dollar' Sculptural Screenprint, Black Edition, 2021](https://smpgbcsonkmwzognzosu.supabase.co/storage/v1/object/public/curiosity-images/ff5db914-ae15-4a16-b7a7-b61c741ea110/1-1767708028446.jpg) 6 ### Karl Lagasse - 'One Dollar' Sculptural Screenprint, Black Edition, 2021 ](/archive/art/one-dollar-black-sculpture-by-karl-lagasse)[ ![Michiel Deylius, 'Keuzestress', 2021](https://smpgbcsonkmwzognzosu.supabase.co/storage/v1/object/public/curiosity-images/ff5db914-ae15-4a16-b7a7-b61c741ea110/1-1769337766966.jpg) 6 ### Michiel Deylius, 'Keuzestress', 2021 ](/archive/art/keuzestress-2021-by-michiel-deylius)[ ![The Cyclist (Fietsster), Cast Bronze Sculpture on a Plinth](https://smpgbcsonkmwzognzosu.supabase.co/storage/v1/object/public/curiosity-images/08d3713d-beba-45df-8eb2-f622dd41cfdf/1-1768119837997.jpg) 7 ### The Cyclist (Fietsster), Cast Bronze Sculpture on a Plinth ](/archive/art/woman-cycling-statue-public-art) [View all art](/archive/art) ## MORE BY RONALD WESTERHUIS [ ![Contemporary Wall-Mounted Convex Dome Sculpture with Mirror Inset](https://smpgbcsonkmwzognzosu.supabase.co/storage/v1/object/public/curiosity-images/ff5db914-ae15-4a16-b7a7-b61c741ea110/1-1774693840584.jpg) 4 ### Contemporary Wall-Mounted Convex Dome Sculpture with Mirror Inset ](/archive/art/ronald-westerhuis-rainbow-convex-wall-sculpture-2022) [View all works by Ronald Westerhuis](/artists/ronald-westerhuis) ### ABOUT ART Paintings, drawings, sculptures, and original artistic works. 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