Get to your location. Today's subway map dates back to 1979 with the colorful and easy-to-use Michael Hertz & John Tauranac design. Each map piece is carefully cut & set in a sterling silver bezel with a swivel finding and protected with mineral glass. Back hallmarked "NYCT." Officially licensed by the New York Transit Authority, each pair of cuff links comes gift-boxed with a Certificate of Authenticity.