1937 10c deep blue, n.h. and post office fresh, well centered for issue, signed Bolaffi, Sorani, also Zanaria, with 1963, 2008 and 2013 certificates. A rarity from Eritrea (Sass.22, Euro 16,500) cat. $13500 (Cat No. Q21A) (Image)

Cat. $13500, Est.$2,500