So, Physical gold bought and stored is even more than tokens circulating in the market. Therefore, there shouldn't be any problem.
2000 more tokens can be generated without any need to buy more physical gold. Because they have already been bought.
When the project started, 7200 gram of gold were bought and stored in the vault. They bought more gold gradually and now 19,200 gram of gold is stored in the vault.
They buy physical gold before it is needed and before the demand exceeds supply.
@Tytanowy Janusz, the gold token teams are well experienced in the line of economic, IT technology, wealth management etc which is the reason why they have extra 2000 gold bars in possession which will be used during the season of gold bars shortages. Besides, a project that have Walter Tonetto and Paul Scott as an adviser will never go wrong.