It is a size 10, bedspread weight, 3ply cotton thread.
Lacy Shawl in Aunt Lydia's Classic Crochet Thread Size 10 Natural
Aunt Lydia's Classic Crochet Thread Size 10-Pastels
Aunt Lydia's Crochet Thread - Variegated - Size 10
Aunt Lydia's Crochet Cotton Classic Size 10
Aunt Lydia
Kurtzy Colourful Glitter Crochet Yarn (10 Balls) - 2 India
Aunt Lydia's Classic Crochet Thread Size 10
Aunt Lydia's Classic Size 10 Cotton Crochet Thread
Aunt Lydia's Crochet Thread Crochet Thread Fine 20 181C – Good's
Aunt Lydia's Bulk Buy Crochet Cotton Classic Crochet