A Limestone quarried from the decayed piers of the famed river........an taken to FRANKENSTIEN studios for "assimilation"......as you can see,quite the transformation.......U.V.resist enamel over limestone.with graphic ink transfer under heavy liquid glass give my keychains an incredible sparkle under sunlight.....in tech ,they have high light refraction.......will not fade.chip,crack,even if ur young ull hand it down to your children!.....all work @ frankies use GORILLA-E6000-LOCKTITE.....35 yrs(machining).....ill accept no substitutes......THANKS for shopping welldressedattic.....