Butterick 9537; 1958; Dress with eased sheath skirt, has fabulous back buttoned deep square 'sailor' collar. View A has set in three-quarter sleeves, contrast button on detachable collar, self belt. View B has purchased belt, no detachable collar. View C is sleeveless, with contrast tie belt and collar trim.
Links to reviews/blog posts Edit
[insert your photos of this pattern made up]