Codex Selden

The codex is an account of the genealogy of the Jaltepec dynasty from the tenth to the 16th century.

Codex Selden is possibly a fragment of a much longer improperly stored document.

[2] The Codex belonged to the English jurist John Selden, who died in 1654 and left his collection of books and manuscripts at the University of Oxford.

In the 1950s, an accidental scratch revealed that the Selden Codex might overlay an earlier document later covered over with a layer of gypsum and chalk, a palimpsest.

In 2016, researchers reported that they had successfully unveiled the underlying pre-Columbian writing using a newer scanning technique.