Perpetual calendar in painted cardboard and straw marquetry with architectural decoration on a black background of pilasters surmounted by antique vases, flowered vase, garlands and friezes of laurels, indication of the days of the weeks, dates and years, bearing the inscription "  The C which is with the vintage indicates a common year therefore the month of February has only 28 days, the B indicates a leap year therefore the month of February has 29 days"
 Signed "'Sicart fecit" in the mechanism.
 On the back, inscription "Maison Cauvin & fils"
France beginning XIX century .
Condition : some small wearing due to time
Sizes : 27 x 21 cm .