The yarn used was made by Charlene Schurch:
” charlene… is a dye genius. she has taken 9 colors of one ply silk, organized them in specific lengths, and then put them together to make a Magic Ball of 3-ply yarn. The colors go imperceptibly from green to gold…..”

100% silk (3 ply) 336 grams, 1260 yards, color green to gold or other DK weight yarn. size 4 US needle. gauge of 18 st/ 36 rows.