This pattern is named Button-through Cardigan in Patons 9459 and Buttoned to the top in Patons 6371.

Patons Brilliante 3ply in 20 gram balls differs from Patons Brilliante 3ply in 1 oz. balls. It requires 1 size larger needles.

In Pattern in leaflet 9459
needles are UK12 and UK11 (2.75mm and 3mm).
In pattern in leaflet 6371
needles are UK11 and UK10 (3mm and 3.25mm).
Otherwise the instructions are identical.

Measurements
To fit chest 18 in (46 cm)
Length from top of shoulders 9 in (23 cm)
Sleeve seam (adjustable) 5 in (13 cm)

Materials
Patons Brilliante 3ply, 100% Bri-Nylon
3 X 1 oz. balls
or
3 X 1 gram balls
7 buttons.