Postal reductions to the UK and overseas apply for multiple tickets and slides bought from me in a single transaction. Please add each item to eBay Basket and pay only when your order is complete and totals shown in a Basket summary box. Combined postage reduction for 2+ items is then automatic.

APTIS was the Accountancy and Passenger Ticket Issuing System, mainstream machines were used on the British Rail/National Rail network from October 1986 until June 2007, a wide variety of printed cards was used. Decoding the bottom line of a typical ticket:

40029 - serial number of ticket
3611 - serial number of APTIS machine
1536M03 - 1536 = National Location Code for Luton Station (still current)
1536M03 - M03 = London Midland Region + ticket window 3 at station

Long-retired private seller, net proceeds go to the considerable cost of acquiring these, mainly at the time from the stations.