This is a set of "Munich" and "Frankfurt" maps produced by Bollmann -Bildkarten-Verlag GmbH & Co. KG of Germany. These are bird's-eye view maps, also known as "Bollmann picture maps," and are known as three-dimensional city maps that influenced Masashi Ishihara, a "Showa bird's-eye view artist." The covers show noticeable damage. The Munich map also has stains on the edges. There are no tears or writing on the maps themselves. Please consider purchasing if you are okay with the condition.