It means that the article writer is a hype man for an auction house stretching the truth.

These are prints, but consider that for photographic prints to be made, one has to take the film negative that went to the moon, load it into a darkroom enlarger, and print on photo paper. Nothing is said about the provenance of the reproduction, which could be from a contact copy of the film, or copy of prints for public dissemination by the thousands (while not using bulk printing and screening technology).