Silver, gilt, enamel.
Sash badge size 85 mm.
Breast star size 88 mm.
Both marked with mark ヒ https://asiamedals.info/threads/mark-hi-on-japanese-orders-and-medals-when-and-who.22787/
Mark ヒ.
Document was issued on November 8, 1918 and hand-sgned by Emperor Taisho.
Rising Sun order No. 5...
1st class orderoftherisingsun
1st class orderoftherisingsunawardedin1918
italian admiral paolo camillo thaon di revel
japanese orderoftherisingsun
japanese orderoftherisingsun taisho era
kyokujitsu-shō
orderoftherisingsunorderoftherisingsunawardedin1918
paolo camillo thaon marquess of revel awards
勲一等旭日章
旭日章