From http://iconicpatterns.com/:
"An all time favourite – the bow tie blouse is never out of fashion.
Prim and proper look, gorgeous fabric, a touch of accessories, great shoes – and you are dressed to impress.
Designed for light blouse fabrics, this pattern offers two options.
View A is a classic semi fitted wide bow tie blouse with soft neckline pleats, curved hem and long sleeves gathered at the cuffs. This blouse is an elegant and special piece of clothing that can transform even the most boring pair of jeans.
View B blouse has a narrow tie and short gathered sleeves. This blouse is fresh, sweet and simple, it will compliment any skirt or a pair of pants in your wardrobe."