Depicts Grand Central Terminal's celestial ceiling in vibrant cerulean blue,Limited Edition: Commemorates 100 Years of Grand Central Terminal,Rhodium over genuine brass,Hand-painted French enamel,Meticulously handcrafted in the USA,¾-inch wide,Extra Small is 2 3/8-inch in diameter,Small is 2½-inch in diameter,Medium is 2 5/8-inch in diameter,Large is 2 7/8-inch in diameter