Too Many Coins: A Jewish Regency Short Mystery

There's trouble afoot in Regency London's Jewish community, and no one to stop the crimes-until wealthy-widower-turned-sleuth Mr. Ezra Melamed teams up with an unlikely pair: General Well'ngone and the Earl of Gravel Lane, the leaders of a gang of young Jewish pickpockets. In this short mystery story, an ancient coin from the Land of Israel goes missing during a dinner party hosted by the Lyon family.
The most likely suspect is a young man from the Holy Land who has come to England to raise funds for his community. But why would the young man jeopardize his mission by stealing the coin? For once, Mr. Ezra Melamed has too many clues - making this one of the most wholly baffling cases of his career.