 The APTIS ticket issuing system had been introduced in late 1986, and was still in the process of being rolled out across the British Rail network in 1988, so the APTIS "Cheap Day Returns Only" Railcard (form number BR 4599/18) is rarely seen.The first APTIS version of the full Railcard (BR 4599/17), with mauve upper and lower bands, also lasted until 10 January 1988, at which point the following changes were made