Here is a concretion of coins from the Epfig Hoard; which consisted of close to 14,000 coins discovered by construction workers in Epfig, France in 2010. this is how you usually see Epfig coins--
Very neat! Is the concretion in your collection, or is it a stock photo? I like before and after, but I find the before to be more interesting in this case. That's what I'd rather have, in my collection.