I have two unopened balls of Aunt Lydia's Crochet Cotton, (no, not THAT Aunt Lydia!) Classic 10 (refers to the thread size). Nice, glossy, high quality mercerized cotton. The color is Russet, a warm, coppery brown, a shade beloved by the Mean Aunt Lydia (probably NOT a knitter).
 
100% mercerized cotton
Color Russet
350yds  |  8 sts/inch on US3 needles or B hook (2.25mm)
Machine wash or hand wash, cool, gentle.