ENGRAVING:

FRANCE, 1947

For the VI World Scout Jamboree (Moisson, France).  Artist Proof with the 3.50 franc value of the original design identified by the slanted "0" in "JAMBOREE".  Signed by designer and engraver Jules Piel.  During the preparation of the stamp, postal rates increased to 5 francs and the 3.50 fr. value was never issued.  No more than 20 artist proofs signed by the artist are believed to exist.

NEW ZEALAND, 1959

Soft die proof of issued stamp.

AUSTRIA, 1951

For the VII World Scout Jamboree (Bad Ischl, Austria).  The host country issued the only Scout stamp printed by three processes: engraving, lithography, and typography.  Black proof of the engraved portion of the stamp.

VIET NAM, 1959
Trial Color se tenant pair.

USA, 1950
Overinked.