Notes: In pencil on paper, issued to Maks and Schoonenburg on Aug. 11, 1881, with the annotation: 'on April 28, 1882, a calque of this (No. 538b) was issued to Schoonenburg and Maks for the hanging of the shutters of the stair towers, middle part of the rear facade and the stair tower in the southeast corner', [dispatch date: 11-08-1881, supervisor: Beirer, scale 1 to 1].