I listed this under women but it could be worn by her or him depending on your style.
My guess is circa 1960s or 1970s.
I do not see a size. My guess would be a ladies S or M BUT that is only a guess. I don’t like to guess or assume so please do see pics 9, 10, 11 & 12 for measurements.
Any wear or imperfections is to be considered character.
See all 12 pics & enlarge each pic for a closer look.