OpenTwo 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 “N. C. Walter and Sons” — 64 records examined, 16 dropped by the rights gate.
Archives queried 2026-09-01 02:49 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Ewer from Burghley House, Lincolnshire
Artist not stated in the record · Chinese porcelain 1573– ca. 1585, British mounts ca. 1585
Postal clerk chest badge, number 224
N. C. Walter and Sons · 1921
Ugolino and His Sons
Jean-Baptiste Carpeaux · 1865–67
City letter carrier cap badge, number 15
N. C. Walter and Sons · 1968
Christ Carrying the Cross
Jan Gossart (called Mabuse) · ca. 1520–25
RMS clerk chest badge, number 47020
N. C. Walter and Sons · 1899
Smith & Wesson .44 Double-Action Frontier Model Revolver decorated by Tiffany & Co. (serial no. 8401), with Case and Cleaning Rod
Smith & Wesson · ca. 1893
City letter carrier cap badge, number 6
N. C. Walter and Sons · 1968
Armor for Man and Horse
Artist not stated in the record · comprehensively ca. 1450–1550
Administrative employee chest badge, number 3655
N. C. Walter and Sons · early 1900s
Madonna and Child
Carlo Crivelli · ca. 1480
City letter carrier cap badge, number 1
N. C. Walter and Sons · 1922
Madonna and Child
Luca Signorelli (Luca d'Egidio di Luca di Ventura) · ca. 1505–7
City letter carrier cap badge, number 15
N. C. Walter and Sons · 1922
The Third-Class Carriage
Honoré Daumier · 1864
City letter carrier cap badge, number 8492
N. C. Walter and Sons · 1922
Ferdinando de' Medici, Grand Prince of Tuscany
Giovanni Battista Foggini · ca. 1680–82
City letter carrier cap badge, number 2
N. C. Walter and Sons · 1922
The Abduction of Rebecca
Eugène Delacroix · 1846
City letter carrier cap badge, number 518
N. C. Walter and Sons · 1922
The Love Song
Sir Edward Burne-Jones · 1868–77
MVS employee chest badge, number 4852
N. C. Walter and Sons · c. 1920
Diana and Cupid
Pompeo Batoni · 1761
MVS employee cap badge, number 36345
N. C. Walter and Sons · late 1950s
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. 6562 matched · 24 examined · 2 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. 2641087 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 2026-09-01 02:49 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.