Jessan Cotton Carole
I got this vintage knitting kit on eBay. The yarn is an interesting cotton spin that is thick and thin. Nice!
I found this verbage online from a blogger: "while it was still being manufactured, it was made in Holland. The yarn is 100% cotton and a fine homespun sort of look to it. It is almost as fine as a crochet cotton thread in some spots and fluffs up as thick as a sport yarn in other sections..........Each ball is 50g with 160yds of yarn. The gauge suggested is 1 inch = 5 1/2 stitches."