Bujustu.
Edifil Catalogue exists in the standard version and also the specialized version.
The latter includes proofs, essays, varieties,etc.
There is another important specialized catalogue (Galvez) which was published several years ago ( in the 60's).
Various artists participated in the project for the Amadeo I stamps :



Finally the issued stamps were those designed and engraved by
Eugenio Juliá