"Gangnam Style" Psy released stamps to celebrate his 1.3 billion mark on his music video.

These "Gangnam Style" stamps will be released on February 18 in many post offices around Seoul.

Unlike normal stamps, these special designed stamps will include different style stamps such as an 'art card'. 

YG Entertainment commented, "These stamps and art cards reveal a pop art image of 'Gangnam Style' have a unique design and can also be used for interior decorationg purposes in stores or offices as well."

They also stated that Psy was the first YG artist to release his own line of stamps. They also want to call this the 'Psy Artists Stamp' as it is a special stamp to express his own style.