Don't even give her the chance to acquire a single stamp.

The highest value of a miniature sheet with a single stamp was Lm2/€4.66.

A recent high bid for a single 1875 30-cent stamp was $6,000.

Instead of releasing a single stamp, they would create a set, with values ranging from a penny to five dollars.

According to the Memoirs, she didn't buy a single stamp.

The spaces between the single stamps are all of the same size and provide space for a cut or perforation.

The 1987 issue was a single stamp that depicts a 1918 postman.

Sometimes a single stamp was attached to one photograph in a group to show tax paid on all the photographs.

One year later, a single stamp was released to celebrate the 7th anniversary of the Charter.

There have been only three known auctions of single stamps.