Original Swiss metal oval vehicle plate.
The old-style, two-letter European vehicle country registration stickers have grown very popular in the US. They now stand in for so many places the meaning of the abbreviation is printed in small text underneath.
Various Euro-style oval stickers for US cities.
Why bother with poor imitations from nowheresville when you could have the Ultimate Euro Sticker that covers #everywhere? A collaboration with Russell Karloff.
Update: Expanded Western Latin set for actual Europeans (non-USonians) aka Onur & Martin.
Update 2: Explicit USonian-edition.
Update 3: The original long rear-window spanning editions.