(Springfield, IL) -- Broaches, jewelry, and stamp collections are just some of the items that Illinois State Treasurer Dan Rutherford is offering in the next Online Unclaimed Property Auction. Nearly 55-hundred items will hit the auction block next Monday at 10:00a.m. The items have been in the state's vault for at least five years and their rightful owners have not come forward to claim them. The auction will run for most of the week, next week. To sign up as a bidder or get a preview of the items up for sale, check out Treasurer.IL.gov.