This set of 16mm glass game player marbles features a stunning iridescent blue finish that is sure to catch the eye. With a unit quantity of 10, these marbles are perfect for game nights with friends or for collectors who want to add to their collection. The translucent finish allows for beautiful iridescent effects that shimmer in the light. Crafted in a machine-made style, these marbles are of high quality and are perfect for any game or display. The time period and country/region of manufacture are unknown, adding to the mystery and intrigue of these unique iridescent marbles. Whether you're a collector or just looking for a fun addition to your game night, these marbles are sure to impress.