File:Butterick 6930 ca 1970s .jpg] Butterick 6930; 1970s; Young Designer - Mary Quant of London - Blouse, Tunic and Pants. Loose fitting blouse has front button closing, front and back yokes, full length sleeves with gussets gathered into buttoned yokes, full length sleeves with gussets gathered into buttoned cuffs and self tie belt. Semi-fitted wrapped tunic, lined to edge, has armhole extensions, attached self tie belt, and patch pockets. Wide straight legged pants are darted into waistband.