US Capitol Washington DC Key Chain. Front of Fob is a Close up of the Capitol Building in a Brillant Gold Color Against a Black Background. Back is Blank. Fob is Almost 1 1/2 Inches in Diameter. Unknown Metal, But it is a Gold Colored Metal. Front of Fob has Slightly Raised Dome of a Clear Resin or Arcylic protecting Main Illustration. Unknown Vintage and Origin. All Moving Parts in Good Working Order.