Didn't seem like they did it often. Had to wait thirty minutes while she called to confirm if I was allowed to post my card even though she had a huge book with things not allowed.
From DHL Express Service Point (WHSmith Wandsworth)
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).
