A SILVER PERPETUAL CALENDAR
GERMAN, CIRCA 1700
of book form with marbled interior, the obverse with perpetual calendar volvelle for days of the week, the reverse with calendar for the months with festivals, length of day and night, time of sunrise and sunset.
4¼in. (11cm.) wide
A SILVER PERPETUAL CALENDAR
GERMAN, CIRCA 1700
of book form with marbled interior, the obverse with perpetual calendar volvelle for days of the week, the reverse with calendar for the months with festivals, length of day and night, time of sunrise and sunset.
4¼in. (11cm.) wide
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