His memorial to King Gustav Adolf released on 24 October 1973 was completed in 10 day. The wedding of King Carl Gustav and Silvia Sommerlath was done in 6.5 day, and his portrait of assassinated Prime Minister Olof Palme was completed in an amazing 5.5 days. Engraving is a dying art form . Engraving is difficult, time consuming work that few are willing to learn. The process requires a long apprenticeship, and consummate patience, artistic sense and hand-eye coordination.
Engraving is expensive to produce .
Not only must the engraver be paid, but an entire technology must support his work in order to produce it. Photographic methods, which produce the vast bulk of today's stamps, are much cheaper and faster. Czeslaw Slania's work is realistic . Ireland has laws similar to that of the United States that forbid the depiction of living persons on stamps. When Slania engraved Ireland's soccer issue, his rendering of the players from an photograph was so faithful that the individuals could be identified.