Lots of decks will not present the Joker with a corner index symbol; of the ones that do, the most typical is often a sound star (as is the situation with Bee playing cards). Additionally it is prevalent for decks to simply Display screen the term "JOKER" from the corner. https://johnathannllvv.thenerdsblog.com/16775787/5-tips-about-joker123-you-can-use-today