Canada's Kelly Kellner opened for 400 under the gun and Hank Sitton called. When action reached fellow Canadian Robert Kostesky on the button, he three-bet to 1,125, which prompted both blinds to fold.
Kellner then four-bet to 3,500, Sitton got out of the way, and Kostesky called to see the flop.
"Rainbow bet, one of each color," Kellner declared before tossing out 6,125. "I'll show."
Kostesky took him up on the offer by folding, and Kellner showed him the .
"I had a pair," Kostesky volunteered.