It's a ~1970 JDM dealership issue cigarette holder in the shape of the Fairlady Z (240zx). These items were given out by selected dealerships predominantly in the 1970's, they were made to resemble the body of popular vehicles of the time and usually given to customers, Nissan and Toyota had the most variants available. Today they are very rare and not often found outside of Japan. The roof of the model is removed to reveal the cigarette holder. The item is quite heavy for its size and extremely well detailed. The length is approx 20cm.