Called the DHL customer center in ‘Chichester’ and put through to a premium line in some foreign land that was not able to answer my simple request.
From DHL Express Service Point (WHSmith Chichester)
DHL’s fast and secure worldwide delivery service available at 1,200 locations nationwide. UK & international delivery. No account required, simple pricing based on 7 free DHL envelope and box sizes. Free tracking and signature on delivery (where available).