Siam holed coins C184
Lot of ten billon Siam Rath coins.
From top left to bottom right: 2×10 satangs (1918), 10 stg (1914), 2×10 stg (1914), 5 stg (1912), 2×10 stg (1898), 5 stg (1914) and 5 stg (1914).
Reign of Kings Rama V Chulalongkorn and Rama VI Vajiravudh.
Bangkok, Kingdom of Siam (Thailand).
Here is an interesting digitalized description of the Kingdom of Siam of 1904.
5 satangs: 2 gr, 10 satangs: 3.5 gr, 10 satangs of 1918: 2.5 gr.
Diameter: 5 satangs: 17 mm, 10 satangs: 20 mm, 10 satangs of 1918: 19 mm.