AN EARLY 19TH-CENTURY SILVER POCKET PERPETUAL CALENDAR WRITING TABLET AND ALMANAC, unsigned, the cover finely engraved with scrolls, foliage and a cornucopia of fruit, the calendar volvelle engraved in a similar manner, the reverse tablet with almanac tables for Months of the Year, Festival Days, lengths of Days and Night, and times of Sunrise and Sunset, with three ivory interleaves, suspension loop, telescopic pen/pencil and ivory rule, in 'Augsburg' paper lined leather covered etui -- 3¾in (9.5cm) long

細節
AN EARLY 19TH-CENTURY SILVER POCKET PERPETUAL CALENDAR WRITING TABLET AND ALMANAC, unsigned, the cover finely engraved with scrolls, foliage and a cornucopia of fruit, the calendar volvelle engraved in a similar manner, the reverse tablet with almanac tables for Months of the Year, Festival Days, lengths of Days and Night, and times of Sunrise and Sunset, with three ivory interleaves, suspension loop, telescopic pen/pencil and ivory rule, in 'Augsburg' paper lined leather covered etui -- 3¾in (9.5cm) long