7 500,00€

THE ONLY KNOWN THREE-COLOUR FRANKING ON COVER ONLY EXHIBITING THE SEVENTH ISSUE 5 c. yellow, 1O c. violet and 20 c. deep blue, used on 10 May 1865 cover from Bogotá to Ambalema, paying the 35 centavos rate corresponding to a letter weighing between 31 and 35 grams, tied by oval handstamps on dispatch. Ex Goeggel