World Wide Fund for Nature – 26 August 1991 (Set of 4) (Falkland Islands)
That was a busy philatelic year for WWF, and it can be hard to pin down what’s really available online. So we will be as clear as we can: this is a set of four Falkland Islands maximum cards, presumably all showing penguins though the set remains sealed in Cello-wrap. Grade: 1