Article of black silver color
 An article having a colored surface comprises an article having a working surface and a coating applied on the working surface comprising a cermet composed of alumina and one of chromium and nichrome and exhibiting a black silver color. 
Seikosha Co., Ltd
Y Y Y C C
Y10T Y10T Y10T C23C C23C
additional additional additional inventional inventional
Kouji Hitoshi Kazuhito
Hirose Ito Yoshida