Hi Mikbul,
I assume that's the 7x50 CF HP. Certainly looks similar to the smaller E series binoculars, but I don't think it was ever included in the E series, perhaps because it doesn't use any of the same parts as the smaller E series models.
You may have noticed that the E series binoculars are made from interchangeable eyepiece housings and objective bells attached to a common prism housing, so it's possible to make up a few models that Nikon never made by simply switching objective bells. Switching objective bells between 12x40 and 7x35 makes an 8.4x40 and the 10x35 that Nikon did make. Switching bells between 8x30 and 7x35 makes a 6x30 and a 9.1x35. Switching between 8x30 and 10x35 makes a 9.1x30 and an 8.75x35. I switched the objective bells between a 7x35 and an 8x30 to make a 6x30 and a 9.1x35, two configurations I prefer to the 7x35 and 10x35 models that Nikon chose to make with the same parts. So, even after you've bought all the regular E models you'll still have a ways to go to assemble every possible E configuration.
Henry