This black/gold insert would have been produced from around the mid-late 1980's and can be correctly used on the Rolex GMT Master, reference 16753 from that era. This will only fit the GMT Master references of the era which use aluminium bezel inserts, not the more modern ceramic versions.

Compatible Brand: Master
Brand: Rolex
Type: Insert
Compatible Model: Rolex GMT Master 16753
Material: Aluminium
Colour: Black