What is shell coin?
I recently encountered a term called 'shell coin' and I'm curious to understand what it means. Could it be a type of cryptocurrency or something else entirely? I'm looking for a clear explanation of this concept.
How much is a shell coin worth?
I have a shell coin from my grandfather's collection. I'm curious about its value. I've tried searching online but couldn't find a definite answer. How much is this shell coin actually worth?