Mercerized Pearl Cotton 10/2 and 20/2 - Great Northern Weaving
Lot Of 4~VTG Lily Cotton Warp Mercerized Handweaving Crochet Sz.20/2 ~2oz. White | eBay
20/2 Perle Cotton – Shuttles, Spindles & Skeins
Brassard 20/2 Mercerized Cotton - Pearl Cotton
Amazon.com: La Mia 20 Skein 100% Mercerized Cotton Mini Yarn for Knitting and Crochet, Total 17.6 Oz Each 0.88 Oz (25g) / 73.2 Yrds (67m), Yarnweight: 3 DK, Assorted Colors Yarn
Maurice Brassard Mercerized Perle Cotton Yarn - 20/2