Roman Nail?

[SpyHunter]

Please help me ID this nail. I found it in Germany where I gave found other Roman items/coins. I have heard of and seen Roman Sandal Nails, but this is too large.

 

[SpyHunter]

Under side

 

[osage express]

Look up Roman Hobnails I think that is what it is

 

[SpyHunter]

I thought the same thing at first but mine looks much larger.