2015, 175th Anniversary of the Penny Black, Harriet's Collection HC06a1 Official Miniature Sheet FDC, 175th Anniversary of the Penny Black London EC1A H/S.

6th May 2015, 175th Anniversary of the Penny Black, Harriet's Collection HC06a1 Official Miniature Sheet FDC, 175th Anniversary of the Penny Black London EC1A H/S. Limited Edition Cover made to look like old parchment. An invisible magnetic clip opens and closes the cover, which opens out to reveal additional information and images inside. Two rear flaps open up and down, revealing inner side flaps which open out to reveal a copy of letter from Jacob Perkins to Rowland Hill dated 6th May 1840. Pristine condition.