S.T. Dupont Ligne 1 Large (Grand) · Pointe de diamant guilloché · Gold‑Plated · France, c. 1960s–1970s. Decoration: Pointe de diamant guilloché on all panels. ✅ Factory Pointe de diamant pattern. The Ligne 1 defined S.T. Dupont’s precision lighter craft.
eBay