The product is a lot of two vintage glass marbles from the brand Christensen. These marbles are sure to be a valuable addition to any collection, especially for those who appreciate classic toys and hobbies. Made with high-quality glass, these marbles are likely to have unique styles and patterns that will make them stand out among other marbles in a collection. Perfect for collectors or enthusiasts of vintage toys, these marbles are sure to bring a touch of nostalgia and charm to any collection. Not sure if brand but unique!