Cream and Green Art Deco Alacite Uranium Glass Aladdin Lamps- a pair. In the 1930's cream and green was the decorating color for homes . You can tell these lamps date to the 1930's because they glow. During World War 2 after they didn't use uranium, they had to change the formula for the war effort. Only the ones made before World War 2. They glow!