The product is a vintage sheet music for the "Black Hawk Waltz" by Mary E Walsh, published by Supreme Mills Music in the United States. This piano music falls under the genre of Musicals and is a single unit. It is a printed piece of music history that captures a popular dance tune from 1924, offering a glimpse into the musical culture of that era. Collectors of vintage sheet music and piano enthusiasts may find this piece to be a unique addition to their collection.