Spain coin set model - 3 3D model
Real treasure is in real jpg 600 dpi textures, not a models.
Simple models and UV maps made by Blender3D 2.79 Cycles (Win 64 bit). Model textures composed in Gimp 2.10.10.
PBR - texture made by newest Principled BSDF shader.
This is a good item 4 you virtual collection of world coins.
And of course U can use the textures in other projects and program - platforms.