You read it right. Yes it is a Double chest of OBSIDIAN Starting Bid: 40k or 40000r Minimum Bid Increase: 1000r Auction Ends: 48 Hours after Last Valid Bid Pickup: 8426, SMP4, CONTACT xXTxtonyXx for more information
also check this auction out for another dc of obsidian http://empireminecraft.com/threads/auction-dc-of-obsidian.40777/#post-767849