Size M Vintage 1970s St. Michael Striped Blouse

Vintage 1970s short sleeve blouse in a polyester fabric with a bit of sideways stretch. Blue, green, purple, yellow stripes on off white background. Pullover style, button and loop at front neck, gathers at front yoke. ***It looks like there were thread belt loops at one time which have been cut off (see last photo).*** Label says St. Michael, Made in Canada, Size 14 on tag but fits like a medium. Measures 40" around bust, 40" around top hip, length is 25". Shown on a size small model with 34" bust. This is a pre-loved, vintage second hand item.