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Amazon.com : Schmidt 635M Single Black Refill for Swarovski Pen with Plastic Refill Holder : Office Products
SCHMIDT - MINE 635 M (Medium Point) Ink Cartridge Refills BLUE 10-PACK SWAROVSKI | eBay
Schmidt Refill Mine 635 M Ink Refill for Swarovski Ball Pen Choice of 4 Colors for sale online | eBay
Amazon.com : Lanier Combo Pack - 8 Genuine Schmidt 635M ISO 12757-2D, D1 Ballpoint Pen Refills, Compatible With Swarovksi Crystalline Pens also included are 8 Plastic Tops Included - 4 Black and 4 Blue (Assorted) : Office Products