This is The Father of the Philippine Revolution, Andres Bonifacio the special about this design is the name of Andres that wrote in Baybayin, and the Revolutionary Flag "KKK" means "Kataas-taasang, Kagalang-galangang Katipunan ng mga Anak ng Bayan" or more commonly known as the "Katipunan", a movement which sought the independence of the Philippines from Spanish colonial rule.
The Baybayin is the Original Writing System in the Philippines like Japanese, Chinese, Thailand, Korea and other country the Filipino has its own.