sentences:  This master engraver, who, by his exceptional expertise, raised his work to the level of Art, obtained numerous distinctions both for his work and his behaviour as a patriot during the war.Ten years after his death, on the occasion of the “Journée du timbre” (Stamp’s day), the Postal Service paid homage to him by issuing a stamp showing him at work.All those stamps have been printed by intaglio (also called copperplate printing).