Lot 40120 – 1870 1/2d Rose pl.12 complete sheet of 480 with ma

1870 1/2d Rose pl.12 complete sheet of 480 with margins, some minor perf. separation and wrinkling as to be expected, fine for such an item of this size, extremely rare. Thought to be the only known sheet of the 1870 1/2d in existence in private or institutional collections (after 10 years of extensive research by the vendor), a unique showpiece