Gold is a natural product and occurs very subdued. It sparkles, but has no radiant glow. Gold only gets a shiny surface when it’s polished.
With conventional gold paint or markers you will get a shiny golden result. 23 carat shell gold is used for golden letters in Facsimiles. And is polished after applying and drying.
79ink 24 carat gold behaves different.
Depending on the paper texture the typeface appears more or less glowing.
Just as the user of 79ink would give his typeface a unique touch with 24 carat gold.