#647 - 2¢ Hawaii overprint: Plate Block - carmine

Initially refusing requests for a commemorative stamp honoring the 150th anniversary of the discovery of Hawaii, the Post Office decided the cheapest solution was to overprint current definitive stamps. Since they resembled precanceled stamps, and sales were limited to Hawaii and Washington DC, many post offices around the country refused to accept them. Scott 647 2¢ Hawaii overprint