| 1959 |
it is stopped the production of the Stage Die
Proofs (with the exception of those for Monaco and Andorra). |
| 1959 |
the Printing House (Atelier) begins to stamp
Engraver's
Die Proofs directly under its control |
| 1959-63 |
transition period, in which appear the not figurative embossed
control seal on the Engraver’s Die Proofs |
| 1964 |
appear the figurative embossed control seal on
the Engraver's Die Proofs |
| 1964 |
it is stopped the production ot the Acceptance
Proofs |
| 1949-60 |
period in which the Color Proofs have
been produced (monochromatics, on
cardboard) |
| 1956 |
The Color Trials appear in substitution
of the Color Proofs |
| up to 1964 |
on the Color Proofs and on the Color
Trials it is adopted the old numeration for the colors indication
(for ex. 1510 Lx) |
| from 1965 on |
start the new system for the indication
of the colors on the Color Trials (2 letters
followed from 1, 2 or 3 figures) |
| from 1961 on |
disappear the impression of the steel die around the vignette
of the Deluxe Proofs, bacause it is introduced
the rotary recess printing system (taille douce) |
| 1923-1991 |
period in which are printed the Deluxe Proofs
(Deluxe Sheets) |
| from 1992 on |
disappears the Deluxe Proofs, replaced
by the Gummed and Imperforated Sheets |
