1920 Carnaro Island overprinted Issue "Arbe" and "Veglia", 5c green, complete sheet of 50, overprinted "Arbe" in the second and third row, with "Veglia" in the fourth and fifth rows, sheet comprises of 10 se-tenant combination strips of five, n.h., but with occasional hinge reinforcements, fine-v.f., with 2004 Helmuth Avi certificate, stating that it is genuine and probably the only known sheet in existence (Sass.133, Arbe 5, Veglia 5, Euro 60,000+) (Image)