Obviously case is pretty clearly a different casting; in addition to the different keyboard opening(s)) details like the bezel trim and the braces that hold the lid up are different. Also, while it looks like the gross layout of the chips on the motherboards is similar the typeface looks different and some of the positions of things like resistors, etc, don't match. Here's a picture of an Apple ][ Europlus for comparison:
http://mirrors.apple2.org.za/Apple%20II%20Documentation%20Project/Computers/Apple%20II/Apple%20II%20plus/Photos/Apple%20II%20europlus%20-%20Motherboard%20Front.jpg
Most notably, even though that area is mostly covered with cables and therefore can't say for sure, the board is missing the large "Apple Computer" branding that should be parallel to the color trim capacitor. So... yeah, it's a clone, much different from a regular II than a B&H II is. The question is whether it's a licenced one. Here's a page about the ITT 2020; neither of the two units match this one
http://apple2history.org/history/ah12/
A google image search for the ITT 2020 doesn't turn up any hits that look like one, are you sure it's not a clone of a clone?
http://mirrors.apple2.org.za/Apple%20II%20Documentation%20Project/Computers/Apple%20II/Apple%20II%20plus/Photos/Apple%20II%20europlus%20-%20Motherboard%20Front.jpg
Most notably, even though that area is mostly covered with cables and therefore can't say for sure, the board is missing the large "Apple Computer" branding that should be parallel to the color trim capacitor. So... yeah, it's a clone, much different from a regular II than a B&H II is. The question is whether it's a licenced one. Here's a page about the ITT 2020; neither of the two units match this one
http://apple2history.org/history/ah12/
A google image search for the ITT 2020 doesn't turn up any hits that look like one, are you sure it's not a clone of a clone?