Update from the Knit Rowan website:
Knit this pretty ladies poncho, a design from the Rowan archive that is now available as a free pattern to download. Designed by Marie Wallin using our lovely soft spun yarn Kid Classic (lambswool and mohair), this poncho has an all over cable and bobble design and ribbed turn down collar.

Finished side to side sleeveless width dimensions:
89: 94: 99.5: 105.5: 113 cm
35: 37: 39: 41½: 44½ inches

Yarn Information:
Photographed in Kid Classic colourway Canard 871
9, 10, 10, 11, 12 skeins
1377, 1530, 1530, 1683, 1836 yards