fig. E8

Enlarged detail of the Die Proof: on the the vignette outline we can see two different small white rectangles, because the maquette designer and the die engraver are two different persons.

fig. E9

The same enlarged detail of the definitive isued stamp: we can see that the two small rectangles on the vignette outline, contains the names of designer (Roger CHAPELET) and engraver (Michel MONVOISIN).