The picture below show larger top and bottom views of this 1920s Cracker Jack Pop Corn Confection Tin & Lead Toy Prize Tube Whistle. The tube is made of silver colored tin. The ends are made of lead or pot metal. The whistle is not dated but it is believed to be from the 1920s. It is marked “JAPAN” on the bottom of the mouth piece, but the maker is unknown. The whistlemeasures about 2-5/8'' long. It appears to be in excellent used condition as pictured.