Some synonyms for "coin gold" are:
1. Bullion - refers to gold that has been cast into bars or ingots for trading purposes.
2. Nuggets - refers to small pieces of gold found in nature or extracted from mines.
3. Dust - refers to fine particles or residue of gold that have been extracted through mining or panning.
4. Leaf - refers to a thin sheet of gold used for decorative purposes.
5. Karat gold - refers to gold that has been alloyed with other metals for durability, commonly used in jewelry making. These are just a few examples of different terms used to describe gold in various forms and contexts.