Identification

Judith Jack Sterling Silver Marcasite Bow Brooch

Photo reference

1 uploaded photo

Overview

The image displays a bow-shaped brooch heavily set with faceted stones that visually match marcasite. The seller identifies it as 'Judith Jack Sterling', a brand well-known for producing vintage-style sterling silver and marcasite jewelry that aligns with this design.

Story

Judith Jack was founded in 1969 by Judith and Jack Rosenberg, specializing in vintage-style jewelry. They became highly regarded for their use of sterling silver and hand-set marcasite, often drawing inspiration from Victorian, Edwardian, and Art Deco designs. The secondary market for vintage Judith Jack marcasite jewelry is active but generally accessible, with pieces frequently trading on platforms like eBay, Etsy, and Poshmark. Buyers are drawn to the high-quality vintage revival aesthetic and genuine sterling construction.

Maker / Origin

Judith Jack

Condition & Value

Based on the single frontal photograph, the marcasite stones appear intact and the silver shows a typical oxidized patina intended for this vintage revival style. However, the condition of the pin clasp and the presence of any missing stones on the edges cannot be fully verified without additional angles.

Full Research

See what it's actually worth.

Sold comps, value drivers, and venue guidance pulled from recent auction results.

Market Analysis

The secondary market for vintage Judith Jack marcasite jewelry is active but generally accessible, with pieces frequently trading on platforms like eBay, Etsy, and Poshmark. Buyers are drawn to the high-quality vintage revival aesthetic and genuine sterling construction. While asking prices can sometimes exceed $100 for larger or more intricate pieces, actual sold prices for standard bow brooches typically cluster between $40 and $85.

Value Drivers

Highly recognizable vintage revival bow design strongly associated with Judith Jack.

Verified secondary market sales of identical models consistently reach the $70-$85 range.

Sterling silver and hand-set marcasite construction provides intrinsic material value.

Concerns

Unverified reverse side — missing 'JJ' and 'Sterling' hallmarks would drop the estimate into unbranded territory (±40%).

Unverified clasp functionality — a broken or missing pin mechanism significantly reduces resale value (±30%).

Unverified stone completeness — missing marcasite stones are difficult to replace and would lower the piece to salvage value.

Best Venue

List on a secondary fashion or vintage marketplace like eBay, Etsy, or Poshmark. Ensure clear photographs of the reverse side are included in the listing to confirm the 'JJ' maker's mark and 'Sterling' purity stamp. A fast-sale price would be around $45-$50, while an optimistic list price for a patient seller would be $85.

Upside Potential

If the brooch is exceptionally large (over 2. 5 inches wide) or includes its original Judith Jack presentation box and tags, the value could push toward the $100-$120 collector retail range.

Also found — market-range context

Related comps outside the valuation band· 8 comps

Surfaced during research but not used to anchor the valuation — wrong form, species, era, or no published price. Shown so the market range around this item is visible.

  • Etsy
    Judith Jack Marcasite Brooch Knot with Tassels Sterling Silver Vintage Pin
    Knot with tassels form, not a bow.
    $180
  • Etsy
    Judith Jack Sterling Marcasite Brooch & Earring Set – Vintage Bow Pin and Earrings
    This is a set including earrings, not a single brooch.
    $173
  • Modern Jewelry· 2026-08-02
    JUDITH JACK 925 STERLING SILVER VINTAGE REAL MARCASITE CHERUB PIN BROOCH
    Cherub motif, not a bow.
    $110
  • Hammer Time Auctions· 2026-08-09
    Judith Jack Vintage Sterling 3 Piece Brooch Earrings Bracelet Set
    This is a 3-piece set including earrings and a bracelet, not a single brooch.
    $100
  • VINTAGE JUDITH JACK SILVER MARCASITE CORAL BROOCH
    Includes coral and does not specify a bow form.
    $60
  • eBay
    Judith Jack Butterfly Brooch Sterling Silver Marcasite Pink Enamel 9.3g
    Butterfly motif with pink enamel, not a bow.
    $54
  • Gallery and Gavel Auctions
    Judith Jack Art Deco Sterling Silver Marcasite and Onyx Brooch
    Includes onyx and does not specify a bow form.
    $50
  • Judith Jack Art Deco Sterling Silver Marcasite and Onyx Brooch
    Includes onyx and does not specify a bow form.
    $20