I could be wrong, but.......... *LINK*

Re: I could be wrong, but..........

Bill Houghton, Sebastopol, CA

>There's no way to tell, of course, with an MRI.

That's not rust...

Scott Burr in Ben Lomond CA

>It's Patina! Someone should tell them about this error...

It's "Barn Fresh" ;-)

Paul M. in San Diego

>

Perhaps cast iron oxide? Could be valuable.

Eric Hedberg

>

My children would say, it is 'natural brown stain'

CONGER - The Irish diaspora in Munich

>

'natural brown stain'

Todd O. Cronkhite Maine Native in FL. Exile :~(

>Well maybe Conger, but I truly doubt it, tho a "natural brown stain" has been known to appear in my shorts from time to time. :~O

Todd O.