A simple dice game with two special dice and depending on the symbols or numbers rolled you add another ante, get part of or the whole jackpot.

Famous for the ad for the game as hint for a conspiracy theory. The ad shows, among others, the numbers 12 and 7 and talks about peoples in airraid shelters, November 1941. This led to a FBI investigation if it was a secret code by the Japanes Intelligence agency for the attack on Pearl Harbour to warn their agents in the US.
The investigation led to a negative result, but the fame of the game stayed.