From the Knit Rowan website:
Knit this ladies long line waistcoat designed by Liz Nields. Using the beautiful yarn Creative Linen (linen and cotton), this waistcoat has pretty lace detailing, contrasting garter stitch edgings and collar and a one button fastening.

This design is available to purchase for $5 as a single pattern from our Ravelry pattern store.

Finished dimensions:
Chest width
49, 52.5, 56, 60.5, 65 cm
19¼, 20.75, 22, 23.75, 251½ inches
Hip/hem width
56, 63.5, 63.5, 71, 71 cm
22, 25, 25, 28, 28 inches

Yarn information:
Photographed in Teal 625
5, 5, 6, 6, 6 skeins
1095, 1095, 1314, 1314, 1314 yards

Extras:
QTY (1) 1¼ inch (32mm) size buttons