The product is a genuine high yield yellow toner cartridge by Lexmark, specifically designed for CS923, CX921, CX922, CX923, and CX924 printer models. It is an original product from the Lexmark brand, ensuring quality and compatibility with the specified printer models. This toner cartridge is manufactured in Japan and is not a modified or non-domestic product, guaranteeing reliable and consistent performance for producing high-quality prints in yellow tones. Box is little worn. Opened box to verify contents. Toner powder flows free inside tube. Ships next day economy shipping to lower 48. Ask any questions.