Royal Royalite 100, 200, 220, 64, 65 Black Typewriter Ribbon | eBay
Underwood Typewriter Ribbon on Twin Spools old School Cotton - Etsy
Amazon.com : 1/2" Universal Typewriter Ribbon, Black. for Vintage Typewriters. 2" Spools. Fits Most Royal, Olympia, Smith Corona, Remington, Olympia, Brother, and Other Vintage Typewriters : Office Products
Royal Classic Manual Typewriter with Nylon Typewriter Ribbon, Purple (5-Pack) 843631129920 - The Home Depot
Amazon.com: Inkvo Universal Twin Spool Typewriter Ribbon - Combo Pack - Red and Black Ink - Fresh Ink Replacement - Compatible with Smith Corona, Royal, Remmington, Underwood, Brother, Olivetti, Olympia and More : Office Products