2¢ Carmine Retouch
The bottom line of the King's uniform, just above the bottom of the inner oval (above the 'W' of Two is much thicker than normal.
Some of the bottom lines above the 'O' of Two may also be thicker - due to retouching?
Research notes:
Note this similar retouch.
These are not likely to actually be retouches, but additional attributes of Marler’s Type G stamps.