Sentence:  Sunning himself on the board steps, I saw for the first time Mr. Farquhar Fenelon Cooke....A silver snaffle on a heavy leather watch guard which connected the pockets of his corduroy waistcoat, together with a huge <WSD>gold</WSD> stirrup in his Ascot tie, sufficiently proclaimed his tastes. 
Meaning of the word marked with <WSD> tags:  Made of gold.