The coins, at least 300 of them, date back to the late Roman imperial era and were found in a soapstone jar unearthed in the basement of the Cressoni Theater in Como, north of Milan.
https://www.cnn.com/style/article/roman-gold-coins-italy-cressoni-theater-trnd/index.html
https://www.livescience.com/63542-ancient-gold-coins-italian-cinema.html