The Magical Art of Cartier
Geneva, Nov 19, 1996
"Porte mine" Gold and Enamel Colored Marker Paris, 1926
Of 18K yellow gold centering a champlévé enamel perpetual calendar, one end containing a blue marker indicated by a blue enamel band and the other end containing a red marker, indicated by a red enamel band. Accompanied by fitted leather box. Cartier Certificate of Authenticity N° 2168.