Corinphila Auction 284-290 Day 1

Rough perforation 14 to 16 / Watermarked Large Star 1870/71: (1 d.) blue on white paper, wmk. Large Star, rough perforation 14 to 16, an unused block of four of fine fresh colour, minor gum creases and thin specks not affecting the frontal appearance, small part of vertical guide line at lower right, large part og. An exceptionally rare stamp, especially so in a multiple, with just three blocks recorded. Cert. BPA (2020) Gi = £ 12'000+.