This vintage Koss "Live and Let Live" pinback button celebrates the audio company's long-running slogan with bold, psychedelic-inspired lettering in bright green against a black background.
Dimensions: 3.5 x 3.5 x .25 inches
LONG LIVE RETRO TECH – LONG LIVE RETRO TECH – LONG LIVE RETRO TECH – LONG LIVE RETRO TECH –
