"Cross of Gold" is a 1965 Australian television film which aired on ABC.
It is based on the 1833 novel Eugénie Grandet by Honoré de Balzac.
Per a search of their website, the National Archives may hold a copy, with running time listed as 1:14:33.
[5] Eugenei Grandet, daughter of a miserly financier, lends her cousin Charles 8,000 francs in gold which her father has given her as gifts over the years.
[7] The Age called it "a complete success - a uniform, high quality cast, a first class play and imaginative, competent directing.