C.K. (name unknown)
Address?
Künstler / Artist.
Dates known: 1890 - 1902.
Designed steins for Villeroy & Boch - Mettlach #280/621, #1526/624 & 627, #1909/1021 & 1037, #2271/1020, #2384/1035 & 1036
Reference:
Painted mark on Villeroy & Boch - Mettlach #280/621, dated 1890.
Painted mark on Villeroy & Boch - Mettlach tobacco humidor #2268/1047, dated 1901. 
Painted mark on Villeroy & Boch - Mettlach #1909/1021, dated 1894/8. 
Villeroy & Boch - Mettlach #2384, dated 1897. 
Painted mark on Villeroy & Boch - Mettlach #2384/1036, dated 1897. 
Painted mark on Villeroy & Boch - Mettlach #2384/1035, dated 1902.
Painted mark on Villeroy & Boch - Mettlach #2271/1020 