Italy - Technical tests

Very rare, unobtainable technical trial stamp proofs, a must-have.

Gomma Integra - - Technical proofs of the State Printing Works - Bearded man; engraving by Alceo Quieti, 2 intaglio print proofs in brown on perforated paper with gum, without watermark - uncatalogued - Rare

Gomma Integra - - Technical proofs of the State Printing Works - Castle, two proofs printed by intaglio, one in violet and one in red on perforated paper with gum, without watermark - uncatalogued - Rare

Gomma Integra - - Technical proofs of the State Printing Works - Vanvitelli, 2 intaglio print proofs in green on white paper with watermark crown and letters AC (Cat., Manelli No. 1) - Rare

Look at the photos for a better assessment of what you see and what I’m shipping