Sorry for the low quality photo.
This is a marble I found hunting artifact at the river. It is clear, translucent I guess would be a better term.
The image seen through the marble is inverted if that helps. I don't think it is old because I don't see any swirls or break points. I don't know much about marbles but thought this was a cool find and I have not seen anything like it. Any ideas?
Finish the race to the end. Rocky and well-traveled areas like railroads don't work. Forests and lakes, in older areas, do, though. You can find shards all over, but you want intact stuff. On one of...