1856 British Guiana One-Cent Magenta (replica) – World’s Rarest Stamp By admin - December 12, 2014 0 308 FacebookTwitterPinterestWhatsAppEmail Related Posts:World’s Rarest Stamp Lands at National Postal MuseumNew York to auction world's most famous stampA summary of the 1889 ‘Cent Bread’ riot in GeorgetownPrime Minister Brigadier (Ret'd), Mark Phillips Unveils…