Give a unique and historical gift! These weathered nails were driven into railroad ties as well as utility poles, bridge timbers and other wooden structures. They mark the year of installation and now serve as a record of 20th century progress. Most date nails are steel, though many are copper, aluminum, malleable iron, or brass. More than 2,000 different date nails were used by North American railroads. Precision milling of the nail shank creates a distinctive cuff link shape. Gift boxed with certificate of authenticity. Years 1930 through 1969 are available. These historical nails are a wonderful way to celebrate someones birthday or anniversary, or to mark ones age. Note: Both cufflinks in each set show the last two digits of your selected year. Nails are unique, have varying degrees of wear and may differ from those depicted in image. Ships within 2 business days.