Ink, blue chalk and red watercolor on transparency; A:731x484; B:730x484; C:731x485; D:731x487mm, unsigned
Middle left; building of the A.N.D.B., details oberkirchner sandstone, lintels for window frames and a door, frame in the front facade
4 sheets A+B/C+D Oberkirchner sandstone Z,J,K, 13 motifs