细节
A Charles II perpetual almanac
in copper, signed A Perpetual Almanack of Excellent & Ready Use with square geometric central panel surrounded by days of the epact, dated 1684 -- 1 1/8in.(2.75cm.)diam.
in copper, signed A Perpetual Almanack of Excellent & Ready Use with square geometric central panel surrounded by days of the epact, dated 1684 -- 1 1/8in.(2.75cm.)diam.