Layne Flack and Andy Bloch just got to the river, with around 4,000 in the pot. Some commotion attracted my attention; Bloch was staring at a 5,000 chip which Flack had thrown in as the river came down. The diamond-heavy board read: and Bloch was debating whether to call him -- it turned out his bet was just 3,000.
"It's 50/50 whether I call you or not," mused Bloch.
"Want to flip a coin?"
"OK."
"Heads I call," announced Bloch, promptly flipping heads and looking a little bit reluctant. But he gamely threw in the chips.
"You win," announced Flack immediately. "An ace is good."
Bloch showed and Flack threw the offending coin into a corner of the room.