A Silver-Gilt Perpetual Calendar
18th century, German, obverse volvelle with days of the week with symbols against days of the month, reverse with six windows giving sunrise, sunset, date of new zodiac sign etc.
Sold for £384
Result plus buyers premium
18th century, German, obverse volvelle with days of the week with symbols against days of the month, reverse with six windows giving sunrise, sunset, date of new zodiac sign etc.