Perola “Advertising” Nativity Sheet - From Svatava Vizinová, an “advertising" nativity sheet, given by merchants in the former Czechoslavakia…Svatava Vizinová devotes her life to her Zábrdské Betlémy Museumin the mountains of Bohemia, the Czech Republic. “I send you some little things now,” writes Svatava. “You can see the ‘logo’ of firms and products. This crèche was printed in the 1930-40s. I think it is a Czech Specialty, given out by merchants at Christmas.