Transformers Reveal the Shield G2 Optimus Prime
I was very, very fortunate to acquire this, as finding one now is insanely hard and expensive. A big thank you to a very good friend who sold me his for a reasonable price.
With the United version
The biggest difference between the US and Japan versions would be the lesser right shoulder articulation on the US figure. There’s an orange piece sticking out that gets in the way of rotating the shoulder properly. The Japan version has a “fixed” shorter piece so it minimizes the problem.