A Serbian Order Of The Star Of Karageorge; Officer 4Th Class certificate_of_authenticity constructed of black rayon with

constructed of black rayon with painted (as opposed to machine embroidered) lettering

According to this booklet

the ISO is un-named

blackened edges

Wien - for a (30mm) medal with crown – most likely for a Royal Household medal with crown

A Serbian Order Of The Star Of Karageorge; Officer 4Th Class certificate_of_authenticity constructed of black rayon withOf fine quality in silver gilt with red, white and blue enamels, measuring 36. 8 mm x 58. 2 mm, inclusive of its crown suspension, on original triangular ribbon, spotting on the white enamelled arms, minor enamel loss on crown, otherwises the enamels are intact, extremely fine. Footnote: The Order of the Star of Karageorge was established in 1904 by King Peter I, for outstanding civil or military merit.