Flash back from the 80's! Me and my Kramer fretless. Unbelievable sustain, but the aluminum neck would stay cold in winter and serious neck dive. : r/BassGuitar
Kramer 450B Fretless Bass Guitar Natural | Reverb
Kramer 450B Natural 1978 – Chicago Music Exchange
Vintage Kramer 1978 450B Fretless Electric Bass Guitar | Guitar Center