No, You Do Not Need New Glasses (Ghost)

Well, maybe you do, but not because of what you see on this stamp that I snagged yesterday.

It has the strongest ghost doubling I can recall seeing. Not only is the wording doubled at top, the central design is also doubled.

The entire design isn't doubled, misaligned rollers?

Nice one..Nice one..

"The entire design isn't doubled, misaligned rollers?"

The 13c USA & Publisher were printed with grey ink, the rest in black ink and all the black is doubled. You can even see a ghost of his eyes on his forehead.

Now THAT is dramatic.

This stamp isn't mine I found it online, looks like an alignment issue to me?

Your example is misperforated.

Just_fella, your illustration resulted from a misaligned (shifted) horizontal perforations. t has produced a very nice "change of design" where all of the design elements of the stamp are present but not in the correct alignment. The effect is somewhat lost due to the attached selvage.

The OP's image is caused by the printing ink being transferred to the roller printing the normally clear tagging color. This effect will be repeated until there is no black ink to transfer any longer. Such printing roller contamination produces what in EFO terms, is ghosting or a ghost image. And, as they go, the OP's example is quite nice. Here the misperforation enhances the overall design effect.

eyeonwall's astounding stamp is also mis-perforated, to a lesser extent.

Both of them are unused. I know nothing whatsoever about USA stamps, but I'd suspect anything similar in GB stamps of being printer's waste.