Our scan shows one of four unused cards in this set issued by Hongkong Post just as the Games started.  The four sports represented are fencing, swimming, table tennis, and cycling; the principals on each card have a holographic effect.  What makes these cards more special is that they were issued along with stamps (not included here) of the Games, but the postcards were not made available to the general public unless we subscribed to the annual stamp plan, for a hefty amount — which we did, so we could get the cards,  We do not see the logic behind this, as they would have generated good revenue otherwise, but as people say, it is what it is.  Grade: 1