Possible native American artifact. But what is it

[bartshop62]

In picture 3 4 5 6 if you look closely it has Lines stenciling. Kind of What would be on native American pottery. Is this native american? Could it be pottery?

 

Amazon Forum Fav 👍

Agony and Death on a Gold Rush Steamer: The Disastrous Sinking of the Side-Wheeler Yankee Blade - Grab it through Amazon!

[Treasure_Hunter]

Natural rocks.

 

[Charlie P. (NY)]

Siltstone.

 

[Fat]

Nice picture Charlie P you’re going to have to get that out a lot more often.

 

[bradyboy]

tile?

 

[unclemac]

broken creek tumbled brick

 

[Charlie P. (NY)]

Could be that as well.