The brand speaks for itself - best of the best. These were a gift from the PR team at JMM therefore the production number is 00/500 and the authentication card’s numbers are blank. They are 1000% authentic. Please see the attached message from the PR rep that gifted. INFORMATION Boxy and assertive mid-size navigators with expressive brow and a double-bridge featuring an one-of-a-kind titanium embellishment. LIMITED PRODUCTION BATCH OF 250 PIECES Sojourn with friends, enjoy the pleasures of the garden, exercise a long serious inquiry into the existential, meander mindlessly with confidence and curiosity knowing these limited-edition spectacles were made for a marveling at the world's countless wonders. Brown 10mm cured cellulose acetate frame with custom double laminated acetate temples featuring precious metal hardware and brown lenses Dark gold signature arrowhead front pin Exposed dark gold classic wirecore Dark gold tension-secured custom 5 barrel hairline hinge Dark bronze CR39 4 base lenses with backside anti-reflective treatment 100% UV protection Size: medium Temple length: 146mm Frame total width: 144mm Lens width: 55mm Lens height: 51mm Bridge: 16mm