2 objects, 2nd try

[jefg231]

The fragmented looking object has a green patina look now that it has dried. It is slightly bendable. It appears to be "layered". One side is grooved.

Thhe round iron object is heavy.

Any thoughts?

 

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[flinthunter]

Your first object looks like it could be an old piece of rubber. The second round piece looks like a wheel spindle nut or castle nut of some sort.

 

[timekiller]

Has your iron piece got threads in it? Looks like a type of lock nut that takes a carter pin.
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