Year – 1928, published in Leach’s Six Penny Knitting Series Issue 104 which is subtitled Jumper-Suits, Jumpers and Cardigans.
Size -Width around under arms is 38 inch bust, but it is supposed to be baggy, or “have positive ease” as modern knitters call it. I suggest it is intended for 34 to 36 inch bust
Yarn Size – 3 ply
Excerpt from page 5