Dollar was at 20 USD per ounce till 1934 ( Gold Reserve Act ) It was changed overnight to 35 Dollar per ounce - Page 58 of the act says that there were 12 times debt dollar in circulation than Gold dollar

by 1960s many countries started to redeem gold against dollar and by 1971 Nixon said no more gold for dollar

From 1971 Gold price shot up from 35 dollar to around 700 dollar ( 2700 plus in todays inflation adjusted rate ) to make the all time high for gold

Read more at https://bit.ly/dollarhyperinflation