Boss BF-2 Flanger - 1981 Vintage Purple Guitar Effects Pedal Black Label - MIJ
This model was built in Japan. It has the Black MIJ label and was made in July, 1981. It is 083600. In 1980 the BF-2 was released to replace the BF-1. It was such a popular pedal, it was produced from 1980 till 2001.