Materials needed:

Paint Box: 50gr/100-yd (100% wool)
6 (7, 8, 8, 9) balls Alpine Meadow #20
Stitch markers
5 x 3/4” buttons

Gauge in X-Ribs Pat: 25 sts and 27 rows = 4”

Will fit bust size up to - 39.75 (43.5, 47.25, 50.5, 54.25)“

ERRATA: The top Seed st band was omitted from the original version. Here is how it should read for upper back, past armholes:

Work even until armhole measures 7 (7.5, 8, 8.5, 9)“, ending with a WS row, placing marker on each side of center 31 (33, 35, 37, 41) sts.
Next Row (RS): Work in pat across to center marked sts, work in Seed st on those sts, complete row as est.
Work even for 1”.
Work last row as originally written.