Page 112 - 148 Years of the Royal Philatelic Society London
        P. 112
     In 1977: Steve Biko dies in police custody; Space Shuttle Enterprise makes its first test glide;
                             Star Wars & Saturday Night Fever released; Elvis Presley, Charlie Chaplin & Bing Crosby die.
                             At the RPSL: Following the precedent of 1935, the Society commemorated the Silver Jubilee
                              of its Patron with an exhibition at its premises. First use of audio equipment at a meeting.
                              RPSL Presidents were Ronald A.G. Lee & George South MBE. Patron H.M. Queen Elizabeth II.
                              Membership 1446 - 1503.
                             TANZANIA 20c OFFICIAL
                              WITH DOUBLE OVERPRINT
                              From t he collection of Harald Krieg.
                              Member since 2003. Lives in Germany.
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                                                                                                               20c  !
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                              In February 1977 the 10, 20, 40 and 50 cents values of the Butterfly definitive issue of Tanzania were
                              locally  overprinted  OFFICIAL  by  letterpress.  The  20  cents  value  exists  with  a  distinctive  double
                              overprint,  with  the  second  overprint  misplaced  downwards  covering  the  country  inscription  (SG
                              OSlc). This block of four showing the rare variety was used on 28th September 1977.





