70s loomed knit racer back tank top

this racerback tank from the late 60s/early 70s is so special/ it's hard to see its magic in photos. from my personal collection too - gorgeous cut

label: none remains
tag size (vintage): only a tiny tag that says 39
material: knit wool or blend
length: 23 3/4"
chest: 32-38" stretch
waist: 28-32"
as is: not much to note. possibly pin holes or marks i missed