According to Wikipedia:
An object is first-class when it:
The Wikipedia article is shit (for once I agree with "citation needed"), but you are not missing anything: according to the Wikipedia definition, and also according to any sane definition, raw C++ pointers are first-class objects.
If anyone would like to volunteer to help me with some searches through Google Scholar, I would really like to see that Wikipedia article fixed. I am a subject-matter expert, but I am also extremely busy—I would love to have a partner to work on this with.