Art Deco perpetual calendar

Art deco perpetual calendar from the mistral brand (marked on the back): marble and metal. The day of the week is adjusted using a dial on the back, the numbers via the small round buttons on the right and left respectively and the months appear on 6 small plastic boxes slipped into the lower window (printed on both sides). - complete and functional. - good condition, wear/scratches from use of the metal, marble in good condition (no chips) - dimensions: l14.5 X p6.5 xh 11.5cm.