
15p green & blue + 35p red meter mark postal stationery envelope (H&G Unlisted) uprated with the meter mark due to a rate change from 15p to 50p. A fine unused example.
15p green & blue + 35p red meter mark postal stationery envelope (H&G Unlisted) uprated with the meter mark due to a rate change from 15p to 50p. A fine unused example.