rite-on
Explanation
This comic imagines a scenario where archaeologists or time travelers need to identify a specific time period from a distinctive cultural marker. Someone proposes that "tiny white Trump" (a reference to toilet paper or novelty items bearing a likeness) found in a "rite on" (likely a pun on "Rite Aid" or a general drugstore/convenience store) would be a uniquely identifiable artifact of a narrow window of early 21st-century American culture. The first character declares this "impossible" to pin down, but the researchers confidently assert they can date it.
The humor operates on multiple levels. First, it satirizes how future archaeologists might view the bizarre consumer products of our era as culturally diagnostic artifacts, much the way we treat ancient pottery shards or coins. Second, the punchline panel jumps to the "distant future" where a group is standing around what appears to be an ancient site, debating whether a find constitutes evidence of an "erotic ceremony" -- a joke about how archaeologists frequently (and sometimes dubiously) attribute ritual or sexual significance to mundane ancient objects. The comic pokes fun at both modern consumer culture and the interpretive leaps of archaeology.