A boxy machine knitted sweater with a stranded pattern of bird outlines on the body and plain sleeves.

Standard gauge machine
Punchcard for bird design included

Possibly designed by Betty Barnden but names of designers are not given for individual patterns

In 2 (small!) sizes only 81-86 (91-96) cms /32-32 (36-38) ins bust
Gauge is 33sts and 36 rows = 10cms in fair isle
33sts and 41 rows = 10cms in stocking stitch

Materials
Col. 1 300/350g Knitmaster Blackjack
Col, 2 100/150g Knitmaster Aneto 4 ply

I think Aneto must be a 3 ply or very fine 4 ply.