sgraf·fi·to 
(skr
ă-f
ēt
ō, zgrä-)
n. pl. sgraf·fi·ti (-t
ē)
1. Decoration produced (on pottery or ceramic, for example) by scratching through a surface layer to reveal a different color underneath.
2. Something, such as pottery, decorated in this manner.
[Italian, past participle of sgraffire, to scratch, from sgraffio, a scratch, from sgraffiare, to scratch, from Old Italian : s-, intensive pref.; see SFORZANDO + graffiare, to scratch; see GRAFFITO.]

sgraffito1793 American pie plate by Phillip Durell