Lot 60362 – 1898, 1/4 surcharge on 1/2a blue-green, two different essays of the surcharge

1898, 1/4 surcharge on 1/2a blue-green, two different essays of the surcharge, unused with part original gum, with some light toning and pinhole, also an example as issued from the same source. Also a block of four 1900 3p carmine, unused with part original gum, with overprint « C.E.F. », showing defective E on upper left stamp and defective F on lower right stamp. Extraordinary and very scarce proofs and overprint flaws.