Look, all the old books were edited in reissues, and many originals were destroyed.

It happens that later books are declared early and "transferred" to the past, but since they were written after Scaliger, they reflect the realities of the chronology adopted after it.

Therefore, before you draw any conclusions, you need to carefully study this book, find whom and when it was introduced, when and by whom it was reprinted, how many times, on which paper, with which watermarks, which paint etc.