Thank you for your kind words!
They didn't, if they did, we would have seen at least a few during 2011 and some years later. Despite Egypt being quite secretive with some of its systems, you cannot hide 425 tanks. There was also a really good article on them, I'll link it later if I manage to find it.
I think Egyptian side cancelled the project because Teledyne, the company that made the prototype(s), faced bankrupcy. Later on, Egypt eyed for options in Russia (some photos emerged shortly before rumors of Egypt buying T-90MS tanks), where they proposed some more prototypes, but none saw any production. Ramses II would have been much better than T-62Es Egypt currently has. And if the army had 425 tanks that were supposed to be modified in 2004-2006, I'm certain they would have been showing these instead of T-62Es during displays. Meanwhile, only 1-2 prototypes of Ramses II were made and it is unknown what happened to them, but I doubt they were accepted in service. Either they were scrapped, sitting in some graveyard or in storage.
While similar, and I can understand why people mistake T-55Es for them, there are key differences, as you can see.
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I cannot deny it's beautiful looking tank, despite being Frankenstein's monster.
Does anyone know if the rumors of Egypt buying T-90MS tanks were true? I honestly don't belive in them anymore, since Egypt wants to acquire K2 tanks, but military acquisitions are sometimes very strange.