A souvenir of the Sherlock Holmes Museum in London. They are standard bridge-sized cards from Cartamundi. There are three jokers, two identical same that one has red balls in the corner and one has black. There is a third joker with a different illustration of the same joker character, holding the King of Hearts card. The backs are two-way with a blue and white border and a pattern like the background of the box. There is a two-way black circle in the centre showing a silhouette of Holmes and the words "221B Baker Street".