Ann Feitelsen's Westerwick Cardigan from her book, "The Art of Fair Isle Knitting"
Here's a close up of the buttons:
And here's a photo of the stranding underneath:
We have plenty of yarn left over - I'm going to take Ann Feitelsen's Westerwick pattern, and make a vest for Man Yung! Not only is Man Yung not afraid of pink, he actually requested it. Back to the knitting needles...