To hopefully clear up any confusion: the recipe for this dress comes from Duckett, requires the ingredients listed by Romanovska, has the skill boosts listed by ReaD, and is available during all five phases of World Clock, 16th Century.
Source: gvo.gamedb.info/wiki/?WorldClock/item / roserougedol.blog.fc2.com/blog-entry-231.html
Images: 0maturi2ndage.blog.fc2.com/blog-entry-192.html
Leicester's recipe is actually for
English Dress , if I'm reading the translated list correctly.