Advance 6612; ca. early to mid 1950s; Man's Sport Shirt: (View 1) Two-color, shirt with convertible collar has set-in sleeve with three-button cuff, patch pockets with button-on flaps - Plaid V-shaped yokes are applied and top-stitched over shirt fronts and back - Pockets are top-stitched to correspond. (View 2) Two-tone shirt with short sleeves and contrast yokes. (View 3) Shirt with short sleeve all one fabric - Omit yokes.