These is a peaceful "Japanesy" border. Ironically it was around a poster for an old silent movie about *China* even though a torii (used in the Shinto religion) is very Japanese, but I guess a 100 years ago it was easy to get the two cultures mixed up.
Torii Blossoms free icon was designed by j4p4n for icons Png and presented to its users.
j4p4n
2/22/2018