Beautiful vintage German school education poster board with broken type explanations including words and letters. Each cardboard is printed on both sides. Only sold as a set. Stunning capital lettering and typography – a true piece of art and design. Published R.Oldenbourg Verlag München by Röhr-Verlag München. Estimated time of print: 1910 - 1930. Printed on cardboard with beautiful patina (partly demaged paper) Very good condition due to stunning age.