Decals showing that a person voted have been around for a while, but did not become part of the culture until the 1980s.
"In 2019, the U.S. Election Assistance Commission launched a national contest for ... incarcerated individuals designed two stickers, one featuring the Colorado flag with a brick building, a ...
In Denver, incarcerated individuals designed two stickers, one featuring the Colorado flag with a brick building ... Assistance Commission launched a national contest for the best sticker as ...