Resource Silk Underwear silk Accessories uniform China collar undergarments pattern-taking wedding dress cutwork and needlework reconstruction self couching angel folk dress patterns white cotton seamstress allergens Royal Collections Goretex risk Alto Peru Rayon Collections Trust UK weaving care personal identity idioms Guidelines conservation Queen Juliane Marie labels wool data record Polyester Hemp contents interlinking cross reference Royal Museum of Mariemont transporting miser's purse exhibition ribbon embroidery Identification sleeve photographs Code of Ethics for Museums fashionable dress fibers Huipil date 20th century story identification of lace Royal Danish Collections lace