Johansson sells off a used tissue

The tissue is being auctioned by US chat show Tonight with Jay Leno

One of Scarlett Johansson's used tissues is being offered for sale on auction website eBay.

The actress was appearing on US talk show Tonight to promote her new movie, The Spirit, when she said she'd caught a cold from co-star Samuel L Jackson.

Host Jay Leno handed her a tissue and Johansson blew twice, depositing some lipstick and mucus. She said she would sell it for hunger charity USA Harvest.

The highest bid is currently $2,205 (