I found this nail string art

By RyanCamp1, 10 August, 2013
Description

I found this a few days ago. It's a little damgaed. Rust on the nails and water damage. I was wondering what this is? What is the history on this and how much could it be worth? 

Category
Art Deco and Art Nouveau
Medium
strings, nails,
Distinguishing marks
none
Condition
Good
Size and dimensions of this item
24 × 31 1/2
Date Period
unknown
Weight
5.0 lb
History
unknown
Price Paid (If known)
Nothing
For Sale?
Yes
Photos