Rust-

[rolo.m]

a bit dropped off I found it behind the passenger side front wheel -I can't tell what it is some sort of bracket see pictures-please tell me it's not serious-I need to get the sills done and the arches but was hoping to do it end of august-

20170811_144627.jpg

20170811_144639.jpg

[Altransit]

Looks a bit like a mudflap Bracket

[Wadey]

I'd second that defenatly looks like a mud flap braket

[gotgcoalman]

I can say with 100% certainty.
I haven't got a clue what it is.
although as it has captive nuts (inside the body out of sight)
You will have a hole where it lived originally.

Clean it up/free the bolts off while it's off and look for a similar size hole in the wheel arch.