This set comes from the LEGO Lord of Rings line. It replicates the scene of the Battle at the Black Gate from The Return of the King. This is cool set that was only released last year.

Orignal MSRP: $59.99
Starting Bid: $30.00
Released: 2013
Auction Link

Check back later this week for the auction results.

Update:

The auction closed at $37.10. That is barely above the starting bid. Looks like LEGO Lord of the Rings is still readily available.