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 “Netherlandish (Antwerp Mannerist) Painters” — 64 records examined, 17 dropped by the rights gate.
Archives queried 2026-08-27 00:55 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
The Last Supper
Netherlandish (Antwerp Mannerist) Painters · 1515–20

Portrait of Wencelaus Coeberger, from the Icones Principum Virorum
Artist not stated in the record · ca. 1630-1640

A Sermon on Charity (possibly the Conversion of Saint Anthony)
Netherlandish (Antwerp Mannerist) Painter

Portrait of the Infanta Isabella Clara Eugenia of Spain, from the Icones Principum Virorum
Artist not stated in the record · ca. 1660

The Adoration of the Magi
Netherlandish (Antwerp Mannerist) Painter

The Last Judgment
Cornelis Visscher, Netherlandish, 1629-1658 · ca. 1650

Adoration of the Magi
Imitator of Netherlandish (Antwerp Mannerist) Painter · probably seventeenth century

Color Olivi (Invention of Oil Painting), plate 14 in the Nova Reperta (New Inventions of Modern Times)
Jan van der Straet, called Stradanus, Flemish, 1523–1605 · ca. 1596

Virgin and Child
Netherlandish (Antwerp) Painter

The Dog of Goltzius
Artist not stated in the record · 1597

Moses and Aaron before Pharaoh: An Allegory of the Dinteville Family
Master of the Dinteville Allegory · 1537

Antwerp Cathedral
Cass Gilbert, born Zanesville, OH 1858-died Brockenhurst, England 1934 · 1899

The Fifteen Mysteries and the Virgin of the Rosary
Netherlandish (Brussels) Painter · ca. 1515–20

Madonna and Child
Peter Paul Rubens, Flemish, born Siegen, Germany 1577-died Antwerp, Belgium 1640 · ca. 1615-1618

The Lamentation
Netherlandish · ca. 1550

Crocidura russula
Artist not stated in the record · Jun 1980

Annunciation Triptych (Merode Altarpiece)
Robert Campin · ca. 1427–32

Portrait of Joannes Malderus, Bishop of Antwerp
Artist not stated in the record · ca. 1700-1730

Saint Donatian; Saint Victor Presenting a Donor
Netherlandish (Bruges) Painter

Portrait of Aubertus van den Eede, Bishop of Antwerp
Artist not stated in the record · ca. 1700-1730

The Adoration of the Magi
Quinten Massys · 1526

Portrait of Joannes Miraeus, Bishop of Antwerp
Artist not stated in the record · ca. 1700-1730

Charity
Claudius Floris · 1536–1547/48

Portrait of Caspar Nemins, Bishop of Antwerp
Artist not stated in the record · ca. 1700-1730
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. 225 matched · 24 examined · 0 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. 13179 matched · 40 examined · 17 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 2026-08-27 00:55 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.