1874 1D PINK ENVELOPE HARROW TO ROYSTON WITH 'HARROW/D75' DUPLEX IN BLUE. Good used 1874 1d pink stationery envelope with dies '10 6 73 dies' from Harrow 'To Edward Beldman Esq., Royston', slight splitting of embossing and light bend affects but cancelled very fine strike 'HARROW/D75' duplex in blue JA 29 74. RARE usage, Parmenter only lists one recorded example JA 29 74. On reverse ROYSTON date stamp JA 30 74. (Ref 88123).