This is Shetland Heather, a worsted weight yarn from Jamieson of Shetland. These balls are in shade #1060 which is called Cedar and is a blend of deep green, maroon and blue.
The wool is spun from sheep that are raised by the Jamieson family and it is a real traditional yarn. It knits on US #6-8 needles at 16-22 stitches over 20 -24 rows for a 4" square. 100 yards per 50g ball .
Please click on the thumbnail to enlarge the view