Stir all ingredients with ice for 30 seconds. Strain into a chilled coupe. Express lemon peel over the surface and drop it in.
Ian Fleming, Casino Royale, 1953. The original Kina Lillet is no longer made; Cocchi Americano is the closer modern substitute. Bond is wrong about shaking.
Coupe or Nick & Nora, stirred not shaken regardless of what the guest quotes. If the guest insists on shaking, do it but mention once that the original spec is stirred.
Bone-dry, vinous, mineral. The Lillet/Cocchi opens the gin and vodka rather than sweetening.
Costing is directional. Confirm against current beverage grid when invoices update.