In 1977, gold averaged $148 an ounce — about $785 in today's money. That was up 18.3% on the year in nominal terms (+11.2% after inflation). In the free-float era the price is set entirely by markets, so each year carries its own distinct story of inflation, crisis, and confidence in paper money.
To see 1977 in the full sweep of the gold price, explore the 768-year ribbon, or find out what a 1977 gold investment would be worth today on the gold calculator.