I'm going to check this out tomorrow, i don't know why I haven't noticed this earlier. Seems like I have to watch Sabata after that because i like Lee Van Cleef's acting style very much, to me he is one of the top-3 actors of this genre.
EDIT: So i watched this yesterday and i was happily surprised.
Lee Van Cleef does once again great job playing the leading role, and i also liked Giuliano Gemma's and Walter Rilla's parts. At first the plot doesn't seem to be very complicated or interesting, but luckily it got better and better as the film continued. The main idea reminds me of Face To Face. The ending was excellent, i was surprised how it the story turned out. Another great thing was the dialogue and there were many memorable one-liners also. The soundtrack also worked.
So all in all very good Spaghetti Western, i would give 4 or 4½ / 5 stars for this.