Reviews Ladies' Thistle Collection Brooch, Sterling Silver, Model SB 53400, by OrtakWith so many available right now, it is great to have a brand you can trust. The Ladies' Thistle Collection Brooch, Sterling Silver, Model SB 53400, by Ortak is certainly that and will be a perfect purchase. For this price, the Ladies' Thistle Collection Brooch, Sterling Silver, Model SB 53400, by Ortak comes highly recommended and is a popular choice for many people.