Irvine Sellars opened a new boutique in Wardour Street , Soho . In the boutique , a girl can buy a paper dress for fifteen shillings and have it painted while she waits , to her own design , at a total cost of forty-five shillings or buy a new linen dress for five guineas , or eight guineas painted . This model shows model Jackie Lewis , 20 , wearing a linen dress . 22nd March 1967