Fired Earth - there are tiles like this throughout Cambodia... I know a family who once were foremost tile makers/setters in this style... I probably love these so much because of that brilliant family.
Handmade brick tiles in a range of smokey shades by Fired Earth - the Valencia is perfect for a splashback in a country, classic or painted kitchen. http://www.firedearth.com/tiles/range/valencia/mode/grid