"Clipart image of old parchment with pirate map."

 NO FREE USE IS PERMITTED.

box
boxes
chest
chests
hidden chest
hidden chests
island
islands
jewel
jewels
map
maps
pirate ship
rich
riches
ship
ships
sunken chest
treasure
treasure chest
treasure chests
treasure map
treasure maps
treasure trunk
treasures
trunk
trunks
x marks the spot