This design is featured in Viking Knits & Ancient Ornaments, a book from Elsebeth Lavold, and uses Elsebeth Lavold yarn including LinSilk
Please see PDF download.
Left half: From Row 21, work the st nearest the divided cable as an edge st and the 2 sts inside this edge st in stockinette. Shape neck by decreasing on the WS, inside...
Errata File