EU57-DG : 1969 - FDC "de Gaulle - Referendum of 27 April" - flame "Strasbourg, seat of CE" Price €9.50
EU57EO-DG1 : 1969 - Env. CE "de Gaulle, Referendum 27 April" - flame "Strasbg, seat of CE" Price €12.00
EU57EO-DG2 : 1969 - Env. EP "de Gaulle, Referendum 27 April" - flame "Strasbg, seat of CE" Price €12.00
EU59EO-DG2 : 1969 - Env. EP "de Gaulle, Referendum of 27 April" - flame "Europe Rhenish" Price €12.00
FRAL-12 : 1969 - Triptych Berlin - 3rd Philatelic Exhibition FFG / de Gaulle and Kiesinger Price €42.00