A Russian Gold Diamond and Ruby Set Presentation Dagger. With Case. Early 20th century. The cylindrical handle with red guioche enamel decoration set with diamonds in the form of a double headed Eagle and Crown surrmounted by a gold cast boss conforming in design. The pale green Jade or hardstone blade decorated with acorns and entwined with oak leaves. With Russian hallmarks. 29cm long. The gold content of this lot is around £1300. Complete with silk lined wooden presentation case.