- (2013-07-23) Soviet vintage guitar effect pedal BOOSTER by Mihail On (Soviet pedals)
- (2013-12-17) Soviet vintage Buster germanium Fuzz with modd by necrostellaradmin
- (2015-01-29) BOOSTER Kazan - 1976 Test GUITAR EFFECT PEDAL FX USSR by Roman Volkov
- (2016-04-19) Kazan Booster Germanium Fuzz made in USSR in 1977. by Soviet Guitar Effects
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