By the late 1980s this had increased to an average around $400 a troy ounce.
Gold's price finally stood at $1,350 per troy oz on 1 July 2010.
The fixing was finally set at $363.25 a troy ounce.
The whole set weighs a total of 26 troy ounces.
Gold was $2 to $2.40 higher, with December at $403.50 a troy ounce.
Between 1881 and 1922, over 3 million troy ounces of gold were extracted.
Silver finished at $6.937 a troy ounce, down from $7 on Friday.
The annual production was 370,000 to 380,000 troy ounces of ore.
The act also changed the nominal price of gold from $20.67 per troy ounce to $35.
Gold was $1.40 to $1.70 lower, with the active June contract at $370.50 a troy ounce.
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