labels Code of Ethics for Museums elasticity hair Marking Moulins mauvine Prince Frederik's coat identifying fabrics masks fibers Queen Elizabeth II braiding technique outline stitch St Gallen mannequins dictatorship Guidelines Ribbons Kongedragter textile technique marriage Gallen museums Mantas folk culture buttonhole stitch chain stitch donor ICOM knickers protection from evil prints vacuum transporting Royal Collections documentation Raschel crochet Feathers angel Collections Trust UK reconstruction Queen Mary of Hungary Olympic Games shoes crewel stitch drama knitted garments linen silk 18th century copy folk dress needle lace garment damage Shaggy Bear group identity public