Large square sterling silver-plated necklace with an image of a Jolly Roger on a black background. From YouCanPlanAParty.com. See the entire Shipwreck Necklace collection in the SPECIAL TOUCHES | Party Favors section at YouCanPlanAParty Merch Mart. Learn about planning theme parties in the third book of our Enlightened Party Planner book series Our Favorite Parties. This image is in the public domain because its copyright has expired.