Technology & Design
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1920. 7TH. PHILATELIC CONGRESS OF GT. BRITAIN NEWCASTLE ON TYNE 1920
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1928. NOV. 16 – 24 1928 THE LONDON STAMP EXHIBITION A PAGEANT OF POSTAGE MEMORIAL HALL Farringdon Street 1 Minute from LUDGATE CIRCUS. ADMISSION FREE by Invitation Card obtainable from ALL STAMP DEALERS or Hon. Sec., 89 Farringdon Street, E.C.4
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1933. EXPOSITION PHILATELIQUE LILLE NATIONALE : 3 – 6 JUIN 1933
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1904. INDUSTRIE EXPOSITION DE NANTES COMMERCE 1904
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1922. IX CONGRESSO FILATELICO ITALIANO TRIESTE 4 - 11 GUIGNO 1922
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1920. 7TH. PHILATELIC CONGRESS OF GT. BRITAIN NEWCASTLE ON TYNE 1920
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1922. UNION DES TIMBROPHILES LUXEMBOURG 1922. EXPOSITION INTERNATIONALE DE TIMBRES POSTE DU 27 – 31 AOÛT 1922
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1932. 19TH PHILATELIC CONGRESS OF GREAT BRITAIN BRIGHTON JUNE 13 – 17 1932
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1914. EXPOSITION INTERNATIONALE de LYON 1er MAI – 1er NOVEMBRE 1914
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1933. EXPOSITION PHILATELIQUE LILLE NATIONALE : 3 – 6 JUIN 1933