The credit line names the collector, and the accession number tells you what happened

Morgan died in 1913 and the museum has him giving things away in 1944

Four objects in this archive passed through the collection of J. Pierpont Morgan and ended up at the Metropolitan Museum of Art, and the museum's published credit lines describe four different events in a way that makes them look like two. Morgan died in Rome on 31 March 1913. Two of the four are credited to him as gifts of 1917.

This is not an error, and it is not hidden. It is a cataloguing convention, and once you know it is a convention the credit line stops being a record of a transaction and becomes something closer to a dedication. The question worth asking is which field does record the transaction, and the answer turns out to be the accession number, which almost nobody reads.

We checked all four against the museum's own open collection API rather than against press accounts or aggregators, because the claim in this piece is about what the museum publishes, and that has to come from the museum.

Two objects, one credit line, and a donor who was not there

The mosque lamp bearing the name of the Mamluk sultan al-Malik al-Nasir is accession 17.190.987 in the Department of Islamic Art, and the Emmoser celestial globe is accession 17.190.636 in European Sculpture and Decorative Arts. Both carry the credit line Gift of J. Pierpont Morgan, 1917, and the museum's accession year field reads 1917 for both.

What happened is that on Morgan's death his collection passed into his estate, and his son, J. Pierpont Morgan Jr., gave the largest portion of it to the museum in 1917. Roughly forty per cent of the collection was donated by the son. The lamp came in that group, along with seven other Mamluk mosque lamps. The globe came in a large group of European clocks and watches with consecutive numbers in the same 17.190 series.

The convention is that a gift completed by an estate is credited in the original collector's name, which is why the lamp's credit line names a man who had been dead for four years when the museum received it. The lamp had belonged to Charles Mannheim in Paris until his death in 1910 and was sold at his estate sale at the Galerie Georges Petit. Whether Morgan bought it there himself or through a dealer afterwards is not stated in any source we have consulted, so the record says so rather than choosing.

The one gift Morgan actually made, and it still carries two dates

The third object is the case where the credit line is telling the truth, and it is worth reading closely because even here two fields disagree. On 27 April 1906 Morgan, by then president of the Metropolitan Museum of Art, signed a contract arranged through the London dealer George Durlacher to buy the entire collection of the Paris designer and collector Georges Hoentschel for four million French francs, a sum contemporary American newspapers reported as roughly a million dollars. The collection was shipped from Le Havre.

An armchair from Louis XVI's Salon des Jeux at Saint Cloud came in that purchase. The museum credits it as the Gift of J. Pierpont Morgan, 1906. Its accession number is 07.225.107 and the museum's accession year field reads 1907.

So the credit line dates the gift to the year Morgan made it and the accession number dates it to the year the museum took it in, and they are a year apart. Neither is wrong. They are answers to different questions, and a reader who assumes a credit line is an acquisition date will be out by a year here and by four years on the mosque lamp. The Hoentschel material, together with the medieval collection given in stages by Morgan and after his death by his son, created the museum's first curatorial department of decorative arts.

The outlier: an object the museum bought from the estate thirty-one years later

The fourth object breaks the pattern and in doing so proves it. A brass ewer from Khurasan or Herat, inlaid with silver and a black compound and dated to about 1180 to 1210, is accession 44.15 in the Department of Islamic Art. Its credit line reads Rogers Fund, 1944. Morgan's name does not appear on it.

The museum's own provenance line records the ewer in Morgan's ownership until his death in 1913 and then in his estate from 1913 until its sale to the museum in 1944, a gap of thirty-one years. It did not go with the forty per cent the son gave in 1917 and it was not sold on the open market either. It stayed in the estate and the museum eventually paid for it out of an acquisition fund.

This is the useful case, because the credit line here is accurate and complete and tells a reader nothing about Morgan at all. An object he owned for years, which sat in his estate for three decades, arrives in the collection with no trace of him in the field most people read. The Rogers Fund is the truth about the transaction and Morgan is the truth about the object's history, and the catalogue records one of those in the credit line and the other only in the provenance.

Four objects, four transactions, two credit lines that look the same

Set the four fields side by side and the pattern is immediate.

Two credit lines are identical and describe the same event. The third looks like the same kind of statement and is the only one made by the man named in it. The fourth names nobody and is the most accurate of the four.

Why the accession number is the more honest field

An accession number is assigned when a museum takes an object into its collection, and at the Metropolitan the first component is the year. That makes it a transaction record whether anyone intended it as one or not, and it is the only field in these four cases that never disagrees with what happened.

It carries grouping information too. The 17.190 prefix identifies the 1917 Morgan estate transfer, so a reader who sees 17.190 on an object anywhere in the museum knows which event brought it in, and consecutive numbers within the series mark objects that arrived together. That is information the credit line cannot express, because the credit line is the same string for every object in the group and for objects that arrived in different ways in different years.

None of this makes the credit line a bad field. It does what it was designed to do, which is to honour a benefactor permanently and in a fixed form, and a museum that renamed its credit lines to reflect the mechanics of each transfer would be breaking promises it made in order to get the objects. The mistake is only in reading it as a record.

What a reader should do with a credit line

Treat it as a claim about who is being thanked and not as evidence of who transferred what, when. If a credit line names a collector and a year, check whether the collector was alive in that year, because a gift completed by an estate is routinely credited to the collector, and the interval can be decades.

Then read the accession number, which will usually tell you the real year and often tell you the group. If the two disagree, the accession number is describing the museum's act and the credit line is describing the donor's, and the gap between them is frequently the interesting part: on the mosque lamp it is the four years an estate took to settle, and on the armchair it is the months between a contract signed in Paris in April and an object catalogued in New York the following year.

Finally, do not read the absence of a name as the absence of a history. The ewer has the cleanest credit line of these four and the longest undocumented stretch behind it: no owner, dealer or location is recorded between its manufacture in Khurasan and its appearance in Morgan's New York collection by 1913. The field that says Rogers Fund, 1944 is telling the exact truth about a purchase and nothing at all about seven centuries.

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