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. 22 shown for “Transatlantic Cover” — 64 records examined, 14 dropped by the rights gate.
Archives queried 2026-08-28 18:22 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Box
Tiffany & Co. · 1859

Transatlantic Cover
Artist not stated in the record · 1871

View Looking Aft from the Port Paddle-box on the Deck of the Great Eastern: Showing the Trough for the Cable, etc.
Robert Charles Dudley · 1865–66

Transatlantic Cover to Nagasaki, Japan
Artist not stated in the record · 1867

The Reels of Gutta-percha Covered Conducting Wire Conveyed into Tanks at the Works of the Telegraph Construction and Maintenance Company, at Greenwich
Robert Charles Dudley · 1865–66

Transatlantic cover to Madrid, Spain
Artist not stated in the record · December 18, 1876

View, Looking Aft, from the Port Paddle Box of the Great Eastern, Showing the Trough for the Cable, etc.
Robert Charles Dudley · 1865–66

Transatlantic Cover to New York
Artist not stated in the record · 1847

Coiling the Cable in the Large Tanks at the Works of the Telegraph Construction and Maintenance Company of Greenwich, 1865
Robert Charles Dudley · 1865

2c Andrew Jackson pair on transatlantic cover
Artist not stated in the record · June 18, 1875

Burning of the City Hall New York, on the night of the 17th August 1858 – Supposed to have taken fire from the fire works exhibited in commemoration of the successful laying of the Atlantic telegraph cable
Currier & Ives · 1858

Transatlantic cover to Florence, Italy
Artist not stated in the record · December 17, 1863

Blessing Bishop (Saint Nicholas of Bari)
Artist not stated in the record · ca. 1350–75

Transatlantic cover to Haarlem, Netherlands
Artist not stated in the record · November 30, 1845

Interior with a Young Couple
Pieter de Hooch · probably ca. 1662–65

Transatlantic cover to Boston
Artist not stated in the record · 1857

The Annunciation
Hans Memling · ca. 1465–70

Transatlantic cover to Birmingham, England
Artist not stated in the record · December 8, 1849

The Triumph of Henry IV
Peter Paul Rubens · ca. 1630

Transatlantic cover to London
Artist not stated in the record · September 7, 1858

Transatlantic cover to London
Artist not stated in the record · May 19, 1860

Transatlantic Cover
Artist not stated in the record · 1807
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. 49 matched · 24 examined · 14 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.10 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 35855 matched · 40 examined · 0 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 18:22 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.