Simplicity 7362 vintage sewing pattern, dated 1976.
Teen-Boys' and Men's Jiffy Shirt:
The top-stitched shirts with front button closing have collar, upper patch pocket, buttoned shoulder tabs, set-in sleeves and slits in side seams. V. 1 with lower patch pockets has long sleeves pleated to buttoned cuffs, self-fabric tie belt and optional multi-color ribbon trim on shoulder tabs. V. 2 has short sleeves.
Size: 38, 40 inches / 97, 102 cm (both sizes included)
Pattern is cut and checked complete (cut to larger size). Envelope has a store stamp on the front.
More men's patterns here: