FRANCE (2005) Raymond Aron. Die proof signed in black by the engraver LARRIVIERE. Scott No 3152, Yvert No 3837.
AVAILABLE AT $140
FRANCE (1957) Auguste Comte*. Die proof in brown signed by the engraver MAZELIN. Scott No 848, Yvert No 1121.
AVAILABLE AT $140
FRANCE (2005) Pierre Bayle*. Stage die proof in sepia signed by the engraver BEAUJARD. Scott No 3207, Yvert No 3901.
AVAILABLE AT $175