Steve, sorry, I put the wrong link on for you...try this instead.
The way I paint gold is peculiar to me it seems.
I start with
Base: chocolate mixed with a brassy gold, 60% choc.
Mid layers: Chestnut/gold, mixed same,
Highlights: Iraqui sand/gold mixed same.
But, as each layer dries, it gets a thin wash of brown black to delineate the deep shadows only.
Once all the layers are dry and have stood a day or so, I go back with a very fine brush and pure gold with a touch of sand, and carefully here and there add high points.
As the model turns, the gold braid sparkles and glitters slightly.
BUT: on this model, the gold braid against the green looked too red, so I used more of the paler and extreme highlights to reduce "the redness" I was seeing.
But it seemed fine to leave it alone on the scarlet dolman.
Metal chinscales, metal fittings and buttons are painted
Base: Chestnut/gold 30/70. Mid: gold/gloss varnish.
Highlight: Gold/Silver/gloss v, and they shine fully.
I do hope this is of some help.