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New Zealand Essays, Proofs and Specimens 1874 to 1950 plus Revenues 1867 to 1931. A handout from the display to the Royal Philatelic Society London, on 20th October 1983, by M. C. Stanley.
The History and Postal History of Valentine Cards from c1790. A handout from the display to the Royal Philatelic Society London, on 20th October 1983, by R. Stanley.