Catalogue of Official Perfins - Great Britain Philatelic Society, 1967 : The Great Britain Philatelic Society (GBPS) : Free Download, Borrow, and Streaming : Internet Archive
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00-00-02 Introduction
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1993 - The Perfins Club
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Catalogue of Official Perfins - Great Britain Philatelic Society, 1967 : The Great Britain Philatelic Society (GBPS) : Free Download, Borrow, and Streaming : Internet Archive
GB : Official Perfins Identified Here. - Page 11 - Stamp Community Forum
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Great Britain and the Empire
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The Perfin Society's New Illustrated Catalogue of Great ... · The list comprises the fine detail from Barrie Williamson's Machin Study for these issues (correct to 31st March - [PDF Document]
THE PERFINS CLUB LIBRARY
Online Catalogues GB
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Ceylon Perfins Pages 1-50 - Flip PDF Download | FlipHTML5
