Suzan Mazur is following up on the Medea-vase-in-the-CMoA thing and it looks like there's more there that will be in the press soon. Here's the incipit of her latest from Scoop:

Cleveland Museum's antiquities officials have failed to respond to my email request for information as to how the museum acquired the South Italian Medea vase in 1991 recently cited on this page Cleveland's Got Prized South Italian Medea Vase. The vase was part of a highly controversial auction of the Hunt brothers' collection at Sotheby's in June 1990. However, an informed source close to the Italian investigation advises that Italy will pursue the Medea along with other pieces now in Cleveland's collection of ancient art.

See the rest of the article for items (with photos) which Italy will likely be pursuing in the near future ...