This is a paid asset, but now you can download Coin, Dollar Bag and Gold Free.
Detail this asset from Unity Store: Original Link
Coin Dollar Bag and Gold v1 (Latest version)
“If possible, please buy the package to support the developer”
This asset is very useful for mobile game development. Very low poly, optimized models.
Package contains three coins (different mesh) with one texture, dollar bag mesh and texture, and gold bar mesh and texture.
All three coins are 152 tris combined and 40, 48, 64 tris individually.
Gold bar tris 12
Dollar bag tris 128
Coin -256 x 256
Dollar bag- 512×512
Gold 512 x 512