Storing silk tradition Lady in White locally made clothes necklace Theater costume Olympic Games Royal Museum of Mariemont symbolism fibers 18th century holes transportation pattern-taking collecting policy weaving Moulins stitches labeling Mette Bagge Kiær accessioning Guidelines Royal Gala video 19th century nurse fabric storage policy Ribbons receipts media professional dress skirt materials sleeve portrait construction Royal Danish Collections velvet José Miguel Carrera Princess Margaret damage conservation interlinking exhibition Kensington Palace personal attitudes museum cross stitch Underwear Prince Frederik's coat addresses mask boxes kings' garments pest management hair policies St Gallen