Item no. S88 (stamp)
Type: stamp
Country: Canada
Date of issue: 25 June 1987
Catalog number: Scott 1137 (of 1135 – 1138)
Stamp issued to honor two Canadian inventors - GEORGES-EDOUARD DESBARATS (1838 - 1893) and WILLIAM LEGGO (1830 - 1915). They invented half-tone engraving in 1869.