Design 2 : Open Neck Cardigan : Lewis by Peter Pan

Design 2 : Open Neck Cardigan : Lewis

Crochet
DK (11 wpi) ?
10 stitches and 5 rows = 2 inches
in UK trebles
3.5 mm (E)
in months: 0-3, 3-6, 6-12, 12-18, 18-24
English

The pattern takes 2-4 balls of the stated yarn, apparently, and each ball is 50g, but yardage is not given, and I don’t have the original yarn.