A DIY label from the golden age of such things. Tap was based in Worthing; it issued at least one single, The Sods' 'Mopey Grope' (TAP-1; 1979). Presumably the label was owned by the band, who had previously had a single out on the Stortbeat label. Thanks to Simon Hughes for the scan.
(http://Hyped2death.com)
Copyright 2006 Robert Lyons.