Analysis of information sources in references of the Wikipedia article "Museum label" in English language version.
The room was a museum of local antiquities maintained by the princess Belshalti-Nannar, and in the collection was this clay drum, the earliest museum label known...
Around 530 B.C.E. in Ur, an educational museum containing a collection of labeled antiquities was founded by Ennigaldi-Nannathe, daughter of Nabonidus, the last king of Babylonia.