Please see and inspect all photos. "H "dot" H" into rectangle with slightly canted corners for Henry Holland of London, (1859 was the last year of this maker's mark). Made in London, England, ca. 1859 All marks are crisp and clear.
Weight: 0.72 troy oz. Dark spots you are seeing on the photos, are reflections of a camera and other objects. Commensurate with age, the condition is excellent. Rare for its marks and overall condition.