I added Preston’s of Potto to the game when Eddie Stobarts and Norbert Dentressangles became commonplace, and it was unusual to see all three on one journey (Letters, 22 December). A grand slam, spotting an Eddie, a Norbert and a Potto between two consecutive motorway junctions, was rare indeed. Peter Lowthian Marlow, Buckinghamshire As well as Stobbies and Nobbies to count, there were also Willies (Willi Betz). Terry Carbro Sleights, North Yorkshire A great way to keep occupied on long journeys was to keep a look out for the friesian paint scheme of Richard Wiseman Dairy lorries, and be the first to shout “moo”. John Iles Holne, Devon