Simplicity 8901. The shirt with front button closing has "notched" collar, yoke, set in sleeves, patch pockets and optional top stitching. V1, 2 and 3 have long sleeves with buttoned cuffs. V1 and 4 have slits in side seams. V2 has contrasting tie. V3 has matching tie. V4 has short sleeves.
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