Národní listy 10/1/1863 published news of a series of ‘Redouty’ [‘Redout’ or ‘redoute’ was a term, common to both Czech and German, for a masked ball]. The source related: ‘Redouty [Redouts]. On Sunday in the New Town Theatre will take place the first masked ball. In total there will be during this year’s Carnival 7 masked balls, specifically the first on Sunday and the last on Shrove Tuesday.’

Národní listy 4/2/1863, 5/2/1863 and 7/2/1863 published a Theatre Bill announcing: ‘On Sunday 8th February takes place fifth masked ball [maškarní bál] in New Town Theatre.’ Národní listy 8/2/1863 announced in a further Theatre Bill: ‘Today 8th February takes place fifth masked ball in New Town Theatre.’ A similar notice appeared in the German-language Prager Morgenpost on 8/2/1863, relating: ‘Today Sunday 8th February takes place the fifth Masked Ball [Masken-Ball] in the New Town Theatre.’ No further details of this event were given by the source.