(Internal #J493-3)  You are bidding on a piece of ammolite with a green, red, and orange, awesome color, 1-7/8" long x 1-1/8" wide x 1/16" thick.   Nice for making jewelry or as a display specimen. 
 
For guy or gal, an awesome one-of-a-kind gift.
 
AMMOLITE CABOCHONS for jewelry:  more precious than opals, these ancient pieces of shell fossils (ammonites a/k/a Chambered Nautilus Shells)  from Canada absorbed the natural earth element aragonite when they fossilized which created these fantastic colors.   Here's a photo of an example of polished ammonite from the Lethbridge mine, over 3 feet in diameter (2nd photo).
 
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