At the time, the discovery was considered revolutionary, and was thought to show the first written example of the Basque language, 800 years earlier than previous examples, El Pais reported.
According to the newspaper, experts in philology and ancient history questioned the appearance of Latin words with more modern features, such as the use of the letter J in Jupiter in place of the Latin spelling, “Iupiter,” or “Octavian Augustus” to refer to Emperor Augustus.
At first, Gil and his team defended their controversial findings from the “great stir” they were causing.
In a statement seen on an archived version of the excavation team’s website, which is no longer active, Gil and his team defended the findings, which they said consisted of “a voluminous set of graffiti — inscriptions and engraved graffiti on various media — of an exceptional character from the texts and themes represented.”
In February, Gil maintained his innocence in statements made to the press.
On Wednesday, the head of a court in Vitoria-Gasteiz found Gil guilty of forgery and fraud, sentencing him to two years, three months and 23 days in prison.