Corinphila Auction 291-297 Day 2

Single Watermark 1914/20: Sideface 5 d. chestnut brown, Single wmk., Die I, comb perf. 14¼ x 14, smooth paper, an unused block of four, divided by interpanneau margin, with two line "T. S. HARRISON" imprint at base (N over MP) - the full imprint and very rare thus, fresh and very fine, large part og. with lower pair unmounted og. Much above average for this rare imprint block BW 123zf = $ 9'500.