Black Butler Book of Circus / Murder Collection Trump For sale. The inner bag is unopened. This is a square playing card set featuring designs from the third season of the anime "Black Butler: Book of Circus" and the OVA "Black Butler: Book of Murder," which was also released in theaters. The size is about half that of a business card, so it can also be enjoyed as a collection card. [Product Details] Card size: Approximately H55 x W40mm Instant purchase is welcome. Anonymous delivery.