This is Artyarns Ensemble Light in shade #252. It is a beautiful denim blue.
Ensemble Light has one ply of silk and one ply of cashmere twisted alongside one another.Each yarn takes the dye slightly differently resulting in gorgeous colours.
The yardage is extremely good and one skein will easily knit a shawl.
There is a link to a free pattern on the ballband.
Pleae click on the thumbnails to enlarge the views.