1865 2s ultramarine, double ring Schleswig cancel, signed Robertson and Bloch, also 4s bister, rouletted 11 1/2, used, neat postmark, good color and fresh, signed Diena and Herbert Bloch, with 1982 Friedl certificate, (Mi.11,12, Euro 1,900) cat. $1540 (Cat No. 6,7) (Image)

Cat. $1540, Est.$250