The ForTwo Final Collector's Edition is being built by Brabus and styled by Konstantin Grcic.
Smart's done in the US and going electric-only in the rest of the world, but these last 21 cars are still packing three cylinders of fury.
It has sold fewer than 100 cars each month in 2019 thus far.
Smart will launch a new China-built model by 2022.
Adding a top gives this concept an extra dash of character.
It's an extension of a previously released concept car.
The concept celebrates the automaker's 20th birthday.
Smart celebrates its 20 year anniversary with an electric chop top at the Paris Motor Show.