Hawaii, J.T. Waterhouse, Honolulu, H.I. Violet oval date stamp (45x28mm) on reverse of inter-island cover, 2¢ brown (perf faults at right when opened) tied by segmented target cancel, Honolulu postmark at left; with original letter; fresh cover and contents, this marking is unlisted by Gregory in this style. Scott No. 35  Estimate $300 - 400. $0 (Image)