Media playback is unsupported on your device

Rare Roman helmet goes to auction

13 September 2010 Last updated at 17:52 BST

The helmet would have been worn, possibly with colourful streamers attached, as a mark of excellence by Roman soldiers at sport parades.

Georgiana Aitken is Head of Antiquities at Christie's where the helmet is going to be auctioned.

READ MORE: Treasure hunter's rare discovery