Bag of baking powder, “sufficient for 500 g of flour, to be stored dry and in an airtight container”. The use of Allegro (Ludwig & Mayer, 1936) suggests a date in the late 1930s or 1940s. Note the use of ligatures for ch/ck in both Allegro and the smaller text set in Belwe-Antiqua (Schelter & Giesecke, 1910).