The buttons are Dorset Buttons I received in a swap.

October 20, 2013 - ERRATA:

Row 33 should read:

Row 33: K2, yo, k2, yo, ssk, yo, sk2p, yo, k2tog, yo, (ssk, yo)2x, sk2p, (yo, k2tog)2x, yo, ssk, yo, sk2p, yo, k2tog, yo, k2, yo, k2.