Russia has a new T-50 PAK-FA prototype, possible No. 056 ?

Recently photo of a new T-50 FA is circulating on the internet. The new T-50 appearantly has a light gray paint but does not have a tail number.

Some experts believe this to be number 056 aircraft, the seventh in the series of aircraft produced by Russia. According to information available in the public domain, there are 6 T-50 aircrafts produced - two for static and system testing and integration and four for flight and avionics testing.