Summary: an open pair (two cards of the same rank) showing, then the player has the option of betting the lower or the higher amount of the limits.i.e. $5 or $10 limit game. Each player is dealt another card face-up (5th street) – At this point the limit is raised to the higher limit amount. i.e. $10 in a $5-$10 stud game.
Image Dimensions: 480 x 348
Image originally found here.