Not sure what SB, BU and MB mean (starting bid, ???, minimum bid?) but I'll bid 20 TBT!
SB = Starting Bid
MB = Minimum Bid
BU = I'm guessing that's the same as 'BO' Buy Out
SB = Starting Bid
MB = Minimum Bid
BU = I'm guessing that's the same as 'BO' Buy Out
35 TBT