"1750Z"^^ . . "Harrison and Sons Limited was a major worldwide engraver and printer of postage stamps and banknotes.The company was established in 1750 by Thomas Harrison; in 1839 Thomas Richard Harrison entered into partnership with John William Parker, creating Harrison and Co. It went through similar names and retained a link with the Harrison family until 1979 when Richard Harrison left the company.It obtained its first Post Office contract in 1881."@en . "Harrison and Sons"@en . . "1997Z"^^ . "Acquired (1997)"@en . . .