Lot 30694 – 1900, 1b slate without overprint, « Bolívar Negro »,

1900, 1b slate without overprint, « Bolívar Negro », extremely fresh mint with o.g. and light h.r., usual centring of the stamps originating from the only one sheet which « escaped » from the overprint; a very fine example of the most valuable and charismatic stamp of Venezuelan philately; cert. Heister (2020) and B.P.A. (1974).