Baby QK Matinee Jacket Hat Bootees & mittens 18ins Copley 9120 - PDF of Vintage Knitting Patterns - Instant Download Vintage PDF BABY Knitting PAttern Copley 9120 - QK Matinee Jacket Hat Bootees & mittens 3ply = Super fine Sock. Baby or fingering 4ply = Fine sports weight yarn DK/QK = Light D.K./Light Worsted/ 8ply ARAN = Medium Worsted /10ply To help you decide which size to knit, I found this information in a very old baby pattern book; it provides a guideline re...