This rare advertising leaflet from the 1950s promotes Synthaprufe, a liquid waterproofing product made from British coal. The leaflet originates from the United Kingdom and is an interesting piece of paper ephemera for collectors of advertising memorabilia. The leaflet is in good condition considering its age and is a unique addition to any collection. It features information on the benefits of Synthaprufe and testimonials from satisfied customers. This item is perfect for those interested in advertising history or those who collect vintage paper ephemera.