 These early Chrysalis singles were allotted catalogue and matrix numbers in the main Island WIP and wipx series, respectively, and bore the legend "manufactured and distributed by island records basing st london" on the upper circumference of the label.Chrysalis continued to issue singles bearing Island catalogue numbers until Autumn 1971, after which the label broke away completely and began its own series of catalogue numbers in a CHS 2000 series.Four track EPs in the 1960s

For LPs the label chose the prefix ILP (meaning