Hawaii, Negative "L" in Circle (Gregory Lett L-15), Gregory 1RRR, fine strike ties 1864, 2¢ rose vermilion, on orange cover to Rev. S.E. Bishop at Lahainaluna, Maui, docketed at right "H.H. Parker, July 8/71" in pencil; opened at right, F.-V.F., An exceptionally rare cancel. Scott No. 31  Estimate $400 - 600. $0 (Image)