Quote:
Mine was a hair shorter not taller.
The mysteries of the small queens.
Perhaps your other stamp was a dry printing too. They do not all show missing ink.
Also, depending on the mesh of the paper, the shrinkage could vary. Both my stamps have a distinct horizontal mesh, which would show shrinkage more in the vertical direction.
Stamps with a vertical mesh would have less shrinkage in the vertical direction, more in the horizontal.