Free images results:

Treasure pictures, stock photos and images


Coins Royalty Free Stock Images
Author: Chelnok
Starfish Stock Photos
Author: Sax
Loot Stock Photos
Author: Webking
Amber beads Royalty Free Stock Photography
Author: Lvnel
Number 1 Stock Photo
Author: Clarita
Plugs Royalty Free Stock Photo
Author: Tuulum

Also, here are some commercial RF-licensed images that match your search criteria:  
Treasure map Royalty Free Stock Photo
Author: Frui