Sigismundus Integra Serif Sigismundus Céčkoslovensko Csado Kimchi Black Blue Negative Styles Character set Info Sigismundus 1728 Schoolchildren from Kirton Primary in Boston run their own bank with its own currency to learn about saving money. Sigismundus Rds. The family of an RAF flight officer relives their father's wartime tale of survival. Sigismundus Int. The company that became Cambridge Analytica boasted about interfering in foreign elections, according to documents seen by the Sunday Politics.