In this shot she's blocking nicely.... I've started on the sleeves and will probably want to get the seams of the front and back sewn up sooner than later.
Laura B got it right. They are the Madder Rib socks (Vintage Socks - Nancy Bush). And Pixie, they very well could be the Nova Scotia colour way. I would have knit my pal a pair of Monkeys but she already has a pair. Oops, a little hint!