Brunei's Most Expensive Stamps

Sometime last week, someone bought an American 24 cent stamp which had an inverted plane for around US$825,000.00! Imagine that. But surprisingly that is still not the most expensive stamps ever. The most expensive is a Swedish 3 skilling stamp which was the wrong colour. That sold for around $2.5 million about 10 years ago. A number of other stamps could beat that if only they come onto the