AI Appraisal Estimate

This is a handmade necklace from the Spanish luxury brand UNOde50. The piece features a distinctive artisan aesthetic, characterized by an organic, 'hand-hammered' metal finish. The central pendant consists of a large, lustrous white faux pearl or mother-of-pearl bead, vertically suspended within two concentric, irregular silver-plated metal loops. The metal components have a heavy silver plating over a base metal alloy, creating a characteristic dark gray patina in recessed areas. The necklace uses two dark brown leather cords that are threaded through coiled silver-colored metal spacer beads, typical of the brand's rustic-chic style. The item is accompanied by a red 'Certificate of Authenticity' dated 3-28-17 with the SKU COLO746SPLMAR0U, confirming its origin from the workshop in Madrid, Spain. The condition appears well-maintained with the pearl retaining its nacreous luster and the leather showing minimal fraying at the knots. The silver-plated surface exhibits the intended artisanal texture rather than signs of excessive wear or damage. This piece represents the brand's signature design language from the mid-2010s, emphasizing bold, sculptural forms and high-quality mixed materials.

I have conducted a virtual examination of this UNOde50 necklace, model COLO746SPLMAR0U. The piece exhibits the brand's signature aesthetic: a heavy silver-plated alloy with an organic, hand-hammered texture paired with genuine leather cords. The central pearl element appears to be a high-quality synthetic or shell pearl consistent with Madrid workshop standards. The presence of the original red Certificate of Authenticity dated 2017 and branded packaging significantly enhances its marketability. The condition appears Excellent; the silver plating shows no signs of pitting or 'brassing,' and the leather remains supple without significant dehydration or fraying at the tension points. In the current secondary market, UNOde50 maintains a dedicated following. Comparable sales for retired pendant designs typically range between $90 and $160 depending on the complexity and presence of original documentation. This specific 'rustic-chic' motif is highly representative of the brand's peak popularity era, sustaining its demand. The primary value drivers here are the brand provenance and the immaculate state of the organic materials. While the visual markers—such as the specific weightiness of the metalwork and the SKU on the certificate—strongly suggest authenticity, this appraisal has limitations. A physical inspection would be required to verify the weight of the alloy and ensure the silver plating thickness is consistent with authentic production. I cannot definitively confirm the integrity of the cord knots or the exact composition of the pearl without tactile examination. To finalize a formal authentication for insurance purposes, I recommend a physical inspection by a specialist in contemporary Spanish jewelry to confirm the hallmarks and metallic density.