Old Colonel and others,

The style of engraving on your Jules Bury engraved by Jules Schoffeniels is known as Corombelle style It is attributed to Belgian born engraver Hyppolite Corombelle (1871-1943) who was first to engrave that concept on a shotgun.

More here: http://www.engravingglossary.com/Hand%20Engraving%20Glossary%20C.htm

Cheers,
Roger


C. Roger Bleile
Author of American Engravers-The 21st Century
FEGA Historian
www.engravingglossary.com