US Marshall's site:
http://www.usmarshals.gov/assets/2014/bitcoins
Forbes:
http://www.forbes.com/sites/kashmirhill/2014/06/12/silk-road-bitcoin-on-the-move-as-government-prepares-to-auction-off-18-million-worth/
...the Marshals Service confirmed it had taken custody of an additional 144,341.53 bit coins... Those coins also are being readied for a separate sale, according to [the] FBI...
...the first auction would take place over a 12-hour period on June 27 in nine blocks of 3,000 bitcoins and one of 2,657 coins. Interested buyers can place bids via a form at the U.S. Marshals website. The winners will be notified on June 30....