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 “Anonymous, German, 18th century” — 64 records examined, 5 dropped by the rights gate.
Archives queried 2026-08-28 20:27 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Design for a Sleigh
Anonymous, German, 18th century · 18th century

Key
Artist not stated in the record · 18th century

Perspectival View of the Top Half of an Altar or Portal
Anonymous, German, 18th century · ca. 1730–60

Key
Artist not stated in the record · 18th century

Virgin with a Lily
Anonymous, German, 18th century · 18th century

Postal map of German region in color
Artist not stated in the record · 1714

God the Father Surrounded by Angels and the Four Animals, Symbols of the Evangelists
Anonymous, German, 18th century · 18th century

Cologne postage rate chart
Artist not stated in the record · 1740

Bird's-Eye View of Part of the Gardens at Ludwigsburg, created for Duke Eberhard Ludwig von Württemburg
Anonymous, German, 18th century · 18th century

Cologne postal time table
Artist not stated in the record · 1740

Design for an Illustration to Hans Friedrich von Fleming's "Der Volkommene Teursche Jäger..."
Anonymous, German, 18th century · ca. 1719

Cologne postage rate chart
Artist not stated in the record · 1698

Saint Joseph with the Christ Child
Anonymous, German, 18th century · 18th century

Augsburg postal time table
Artist not stated in the record · 1796

Saint Thomas
Anonymous, German, 18th century · 18th century

Zeppenheim postal time table
Artist not stated in the record · 1723

Christ with the Cross
Anonymous, German, 18th century · 18th century

Bingen postal rate table
Artist not stated in the record · 1785

The Madonna of Paradise, Our Lady of Good Counsel
Anonymous, German, 18th century · 18th century

Lemgo postal coach schedule
Artist not stated in the record · 1824

Design for a Concave Corner Cabinet (Possibly Part of a Larger Wall-Covering Unit)
Anonymous, German, 18th century · ca. 1730–40

Bonn postal time table
Artist not stated in the record · 1725

Raising of Lazarus
Anonymous, German, 18th century · 18th century (?)

Jena letter post rate chart
Artist not stated in the record · 1748
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. 5674 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. 53183 matched · 40 examined · 5 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 2026-08-28 20:27 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.