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Mermelstein Counterfeits Lu
Level 24
: Blinds 25,000/50,000, 50,000 ante
Anton Lu was all in and at risk against Aaron Mermelstein on his direct left.
Anton Lu: 6♣6♥ 
Aaron Mermelstein: A♣3♣
The 8♦K♣7♣ flop was safe for Lu, but the 8♠ turn brought Mermelstein some additional outs. The dealer flipped over the K♠ river, seeing Mermelstein make two pair with his ace. That counterfeited Lu's pair, sending his bounty to Mermelstein.