The product is a rare set of 1930's-1940's vintage NBC Nu-Tone chimes, which were used to announce shows on early television broadcasts. It is estimated that less than 5,000 of these chimes were ever made, making them a highly sought-after collector's item for fans of television memorabilia. With a connection to the television industry from the early days, these chimes hold historical significance and are a unique piece of entertainment memorabilia. Approximately 8 1/2” x 5 1/4” x 2” tall. Uncleaned original patina ! Amazing find!