Tested
There are 13 cent "Tested stamps", which were meant to be put on BR's newsletters. However, these are not real stamps and thus could not be used to send letters in the mail; they were just a promotional item for the band.
There are 13 cent "Tested stamps", which were meant to be put on BR's newsletters. However, these are not real stamps and thus could not be used to send letters in the mail; they were just a promotional item for the band.