Arts and Crafts Hand-Hammered Mixed Metal Sterling Silver and Copper Oval Tray
Hollowware (Tray/Platter) · Attributed to the Kalo Shop or Joseph Heinrichs, noted for high-quality American Arts and Crafts mixed-metal work. These makers were influential in early 20th-century Chicago and New York craft movements.
Pattern: Custom Artisan Mixed Metal Series; typical of the unique, non-mass-produced designs of the Arts and Crafts movement, circa 1905-1920.

Type
Hollowware (Tray/Platter)
Maker
Attributed to the Kalo Shop or Joseph Heinrichs, noted for high-quality American Arts and Crafts mixed-metal work. These makers were influential in early 20th-century Chicago and New York craft movements.
Material
Sterling Silver (.925) interior with a layered or applied Copper rim border. The piece utilizes 'mixed metal' alchemy popular during the period, likely featuring a heavy gauge sterling base.
Dimensions
Estimated 14-18 inches in length; approximately 800-1200 grams. A substantial, heavy-gauge serving piece typical of the studio craft movement.
Description
A stunning example of American Arts and Crafts metalwork, this oval tray juxtaposes the cool luster of hand-hammered sterling silver with the warmth of a textured copper border. The play of light across the planished center creates a watery effect, while the organic, floral chasing on the handles showcases the silversmith's skill in naturalistic relief.
Key Features
Planished 'hammered' finish, mixed metal copper border, organic-form handles, and the presence of both chasing and repoussé techniques.
Material & Composition
Sterling Silver (.925) interior with a layered or applied Copper rim border. The piece utilizes 'mixed metal' alchemy popular during the period, likely featuring a heavy gauge sterling base.
Finish & Decoration
Hand-hammered (martelé) planished surface across the center reflecting light in facets. The border features repoussé and chased floral/fruit motifs (grapes and blossoms) with a textured, darkened copper contrast against the bright silver.
Hallmarks & Stamps
Expected marks on the reverse: 'Sterling', 'Hand Wrought', and a maker's mark (e.g., Kalo inside a flask or Heinrichs' 'J.H.' stamp). The copper rim may be stamped 'Copper' or 'Sterling and Other Metals'.
Construction Details
Hand-raised from a flat sheet of silver. The hammer marks are intentional and decorative. The copper border is likely sweat-soldered or applied as a thick foil/plate over the silver edge.
Functional Features
Low-profile rim to contain items, integrated handles with stylized, fish-like or scrolling motifs for secure transport.
Handle & Grip Details
Integral cast or hand-chased handles part of the tray's perimeter, featuring textured 'scales' or stippled ground and organic, zoomorphic curves.
Craftsmanship Details
Exhibits superior hand-wrought technique. The transition between the copper and silver is seamless, and the consistency of the planishing suggests a master craftsman's hand.
Authentication Indicators
Irregularity of hammer marks (indicating true hand-wrought work vs. machine stamping), color transition between copper and silver, and the weight of the silver sheet.
Origin & Manufacturing
United States, likely Chicago or New York City workshops. These locations were the heart of American metalcraft during the early 1900s.
Era & Period
Arts & Crafts Movement (1880-1920). Characterized by a rejection of industrial mass production in favor of visible hand-craftsmanship and honest materials.
Age Estimate
Circa 1910-1925, based on the specific style of planishing and the mixed metal aesthetic popularized by designers like Dirk Van Erp and the Kalo silhouettes.
Cultural Significance
Represents the rise of the American middle class's interest in 'honest' design and the hobbyist-turned-professional studio craft movement that defined early 20th-century taste.
Condition Notes
Very Good. The surface shows light 'use' scratches consistent with age. There is beautiful oxidation in the recessed areas of the chasing. No significant dents or deep pockmarks visible.
Value Estimate
$1,500 - $3,500 USD depending on the specific maker's mark and provenance. Signed Kalo or Heinrichs pieces command a premium at auction.
Care & Maintenance
Hand polish with a soft cloth and non-abrasive silver cream. Avoid dipping, as it will strip the intentional oxidation (patina) from the leaf and fruit recesses.
Similar Pieces
Tiffany & Co. Mixed Metal 'Japanese Style' pieces (often much more expensive) or Gorham 'Martelé' line (fluid Art Nouveau style, usually pure sterling).
Interesting Facts
The Arts and Crafts movement sought to give objects a 'soul' by leaving the tool marks visible, a direct protest against the sterile perfection of Victorian factory-made silver.