The signature version of this coin is engraved with a vertical line of English letters "L.GioRGi" on the right side of the original image, which is the abbreviation of the signature of "Rurgi-Giorgio", a foreign coinage expert and Italian sculptor in China. The weight is (26.86 g), and it contains pure silver (23.9024808 g), and the silver content is 96%, which can be used for casting. The front side is engraved with Yuan Shikai's profile head and issue year number, and the back side is cast with golden harvest pattern and currency.