These are very rare Vintage Swarovski Rose Montees - Size 13 Jet AB crystals set in a silver setting. The size is 2.5mm. They are approx. from the 1930s. They come to you on a temporary strand. That's approx. 144 crystals per strand. Amounts do vary slightly . This item is very limited! The image is enlarged. Need a little sparkle? Rose Montees are wonderful little sparkly embellishments for your sew on designs.