Restoration treatment on a ceramic by Antonio Prieto.

About Antonio Prieto:

Antonio Prieto with his wife Eunice Prieto, also a ceramist artist.
http://www.myteabowls.com/Pages/PotterPage.aspx?Potter=249

"Antonio Prieto (1912-1967) was a ceramist artist and teacher in the 1940's through the 1960's. He taught ceramics at the California College of Art Crafts (now the California College of Art) but is best remembered for his influencial tenure at Oakland's Mills College, which lasted from 1950 until his death in 1967."

http://whatsitworth.michaans.com/?p=582

 More about Mills College Art Museum:

http://mcam.mills.edu/