retro style groovy alphabet. vintage 70s font letters and numbers on checkered background.

font retro groovy 70s alphabet letter psychedelic number text typeface vintage wavy graphic bold poster round 60s style curve design trendy 1960s sixties wave swirl typography calligraphy modern chessboard checkered chess vector colour classic hippy trippy music cartoon type acid rave boho abc childish mystic hippie handwritten festival freaky background