Book-form silver case with four bound-in rectangular tablets for the notes, the front engraved with fine Rocaille motifs, flowers and two birds, the center set with a revolving disc calendar for day and date (of the month), the back with a list of the months, the most important festivals, engraved drawings of the signs of the zodiac, the length of day and night and the rising and setting of the sun, pen added, 2 ½ x 4 ¼ in.品相: (2/–)