This BF-2 was manufactured in January1981 according to the Boss Pedal Serial Decoder. Since the production of BOSS BF-2 began in June 1980. So this individual is a fairly early model.
OP-Amp is set to NEC4558C instead of JRC4558D and Stamped Serial is printed in 5 digits 10200. Please take a closer look at the picture of the electronic board.
The stamped serial number is 10200.
You can see the details on ebay.
======Thank you Sold!========
#ebay
#boss
#guitarpedal
#flanger
#vintage
![](https://s2.save4k.ru/pic/Ibxded4xQEM/maxresdefault.jpg)