1861 1/2s black on brown violet and 3s black on brownish purple, imperf. proofs, full margins all around incl. sheet margins at top, hinged in margin only, few marginal flaws, stamps n.h., v.f., with 1954 Oliva and 1975 Diena certificates respectively, cat. €1400 (Cat No. Mi.I,IV) (Image)

Cat. €1400, Est.$700