Here you can find five different treasure chests, few golden coin piles (include seamless coins material), and many small golden props.
Vertex counts:
Coin piles - 23000 tris
Golden props - 5000 tris
Small golden props - 1600 tris
Chest 1 - 2100 tris
Chest 2 - 2050 tris
Chest 3 - 5300 tris
Chest 4 - 5600 tris
Chest 5 - 1560 tris
Weapons - 2100 tris