Not really a jacket, but an undershirt. Usually these things are called "vests" or "undervests" or something less likely to conjure up the thought it was meant as an outerwear garment.
Like most patterns of this era no finished size, gauge, or needle size is given. Mmmm, helpful.
Snarked by Severina at 6:17 PM
All desperately lame content and original knit & crochet patterns (c)Severina/A Murphy. Disturbing Graphics (c)Severina/A Murphy