This grip is another cross grip variation, frequently used in sambo.
From kenka yotsu position, the attacker grips the closer lapel with the rear hand, while his front hand grips across the upper back of the opponent. The front hand might grip the shoulder, the upper back or the belt.
The most common throws from this position are done with the help of the front leg.
Here is a trade mark Bulgarian sambo throw, called палачинка (pancake):
And here is uchimata variation, executed with a sleeve grip of the rear hand:
Victor roll to knee bar:
There are also some pick ups and suplex throws available from the same position.