1933, Balbo Transatlantic Mass Formation, $ 4,50 on 75 c.
yellow-brown, NMH, good centering, light gum crease, fine to very
fine (SG. 325). 1933, Volo Balbo 75 c. bistro con soprastampa "1933
GEN. BALBO FLIGHT: $ 4.50", nuovo con gomma originale integra,
centratura normale, cert. finanziario Bolaffi 50% (PA 18, SG 325).
1933, Balbo Transatlantic Mass Formation, $ 4,50 on 75 c.
yellow-brown, NMH, good centering, light gum crease, fine to very
fine (SG. 325). 1933, Volo Balbo 75 c. bistro con soprastampa "1933
GEN. BALBO FLIGHT: $ 4.50", nuovo con gomma originale integra,
centratura normale, cert. finanziario Bolaffi 50% (PA 18, SG 325).
