Vintage knitting pattern, 2 sizes: 19/20", 21/22" chest

Original yarn: Emu Easyknit with tension of 7 sts and 10 rows to 1" for the smaller size and 6 sts and 9 rows to 1" for the larger size. Try a modern 4 ply and work a tension piece.

Good used condition.
Circa 1950s/60s