Extremely rare hand relief district of Baden 1925

Extremely rare hand relief (Geomorphological relief map) from the series "Heimat" No. 9. the political district of Baden from the publishing house of the Kartographische Anstalt G. Freytag & Berndt A.G., Vienna, c. 1925; in the original cardboard box - hinged and inside an old coloured map with Freytag's colour scale; a relief map made of plaster for teaching purposes; the design is by Franz Bibiza after the school hand map of the district of Baden 1:150:000; Austrian patent; on the cover sheet the name of the former owner is handwritten: "Prof. Pecharda"; also a small four-page supplement with further information and descriptions of the area of Lower Austria by specialist teacher Josefine Seitz in Berndorf and instructions on how to use this map and how to paint it professionally by hand; This teaching aid was also called a "silent relief" in former times; in the opened cover a physical coloured map for comparison; complete, in original box and in good condition; on one corner a small chip, the relief is in good condition (see photos); traces according to age and use; measurements: approx. 23 x 29.5 cm