Mermaid's Purse or Devil's Purse? 5 Naturally Dried Shark / Skate / Ray Egg Case

Description

Mermaid's Purse or Devil's Purse?
Actually Naturally Dried Shark, Skate or Manta Ray Egg Case
Shark Egg Case Skate Egg Case Manta Ray Egg Case
5 Black Egg Cases or Egg Capsules Collected on Florida Beach
Largest one is punctured - guessing by a bird but not sure
See photos for size