Vintage 1970s Joseph Magnin Dress Union-made

A quintessentially 70s dress. Features: scoop neck with large pointed collar, baby pink ribbed knit top, heavy-duty canvas skirt w/ pastel stripes, & long sleeves w/ cuffs & pearly button closure. Full length. Zips in back. No mat tag. Skirt is definitely canvas, top is probably a poly blend. Used. Fair condition. No holes/tears. One small stain & one button missing from sleeve (pictured.) Measured flat. Tags: ILGWU, 1970s, pointy collar, summer, preppy, boho, cottagecore, ribbed, maxi