Two archives, queried live.
Every record below comes from The Met or Smithsonian Open Access and was filtered on that archive’s own rights field before it reached this page. 24 shown for “Bow of a Brooch” — 64 records examined, 15 dropped by the rights gate.
Archives queried 2026-09-06 02:06 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Bow Brooch
Artist not stated in the record · 400–450

Design for a Brooch
Artist not stated in the record · late 18th century

Square-Headed Bow Brooch
Artist not stated in the record · 500–600

Design for a Brooch
Artist not stated in the record · late 18th century

Brooch
Marcus and Co. · ca. 1900

Design for a Brooch with Flowers
Artist not stated in the record · 1825–50

Brooch
Castellani · before 1888

Design for Brooch or Hair Ornament in Shape of Feather
Artist not stated in the record · late 18th century

Crossbow Brooch
Artist not stated in the record · ca. 430

Design for a Brooch
Artist not stated in the record · late 18th century

Brooch
Artist not stated in the record · 1200–800 BCE

Gelatin silver print of Lil Green, Queen of The Blues
Artist not stated in the record · 1939-1954

Brooch
Artist not stated in the record · ca. 1850

Tintype in a paper case of three unidentified young women seated
Artist not stated in the record · 1870s

Brooch
Artist not stated in the record · ca. 600 BCE

Lucy Gwin
Artist not stated in the record · c. 1860-70

Brooch
Artist not stated in the record · 18th century

Lucy Gwin
Artist not stated in the record · c. 1860-70

Brooch
Artist not stated in the record · ca. 970–1030

Unidentified Woman
Artist not stated in the record · c. 1860-70

Brooch
Carlo Giuliano · before 1896

Mrs. George H. (Anne Jane Hartley) Gilbert
Artist not stated in the record · c. 1860-70

Bow of a Brooch
Artist not stated in the record · late 5th century BCE

Brooch with a portrait of an unidentified man
Artist not stated in the record · ca. 1860
Where these records came from.
Two archives are wired, and only two. Each one is filtered on its own rights field — never on a title match, and never on the presence of an image file.
- The Met Collection API (Open Access)Rights field:
isPublicDomain. 2244 matched · 24 examined · 1 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.12 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 3855968 matched · 40 examined · 14 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.12 shown
These figures describe the pass run at 2026-09-06 02:06 UTC, during this request. A completed pass is kept for 24 hours and replayed for an identical search, which is what keeps repeated queries inside Smithsonian’s 30-requests-per-hour allowance. A pass in which either archive failed to answer is never kept — an outage must not be replayed as though it were a finding about the catalogue.
Wikimedia Commons and the Library of Congress are deliberately not wired. Wikimedia was confirmed, on a live query, to return CC-BY material inside the same result set as genuine public domain works, and filtering it safely has not been designed yet. loc.gov was blocked by bot detection during the source evaluation, so its rights vocabulary has never been observed — and nothing here is built on a field nobody has read.
An image file is a rights claim. It never travels without its field.