An eternal calendar by Jakob Maul, referred to on the back with the manufacturer's brand, from the 30s/40s. Elegant in the version black with chrome (chrome -plated). All original celluloid cards for the months are available. Base 10 cm x 4.5 cm, height 8 cm The celluloid cards for the months are slightly darkened or slightly rubbed. The original finish shows minimal signs of time (front left and right). The holder is metal chrome-plated. The glass tube is made of white flashed glass. The lamp has 2 sockets E14. For mounting, a wall bracket was made of aluminum. The opening for the pressure switch is closed with a chrome-plated decorative screw. The wall mount has the dimensions 46 cm x 3 cm Distance from the wall 11 cm The glass tube has a length of 40 cm and a diameter of 6 cm This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution