purity of 96.5 percent (23 carat)
18 600 baht per baht => 38 161 THB/oz => 1174$/oz
1 Baht = 15.16 grams
1 oz = 31,1034768 g
A purity of 96.5 percent means in 1 Baht of Gold 96.5 percent of it is pure gold while the rest is made of metals such as silver
in 1 Baht Gold there is normally 14.71 grams of pure gold
39 057 THB => 1202$ oz
20 Francs Napoléon = 6.45 gr / 5,81 gr d'or pur