Vintage COPCO Black Post Modern Deco Enamel Whistling 2.5 qt Tea Kettle with Box

Minimally used tea kettle made by Copco. It comes with the box. Please note that the tea kettle on the box is blue while the physical kettle is black. Porcelain enamel on steel 2.5 qt Made in Japan Overall in good condition. Item shows wear that is consistent with age and use. The top screw looks to be worn and maybe stripped. A few light areas of rust/browning.