I'm not sure how unique it is to Iraq, but there were tons of photos of it on American news after that country was 'liberated'

https://www.google.com/search?q=iraq+voting&tbm=isch

We use it in South Africa. https://twitter.com/aminahmather/status/760788698560622592

This approach has been used in Tunisia since the 2011 revolution, and is still in use.

Mexico does it and just had a huge election and turnout.