Hawaii, Hilo P.O., Hawaiian - Islands, Mar 31., cds (MH 242.13) on Coan correspondence cover to Punahou, Oahu, franked with 1864, 2¢ rose vermilion tied by square and circular grid cancellations, endorsed "pr Mary" at top left, Very Fine and scarce inter-island use. Scott No. 31  Estimate $200 - 300. $0 (Image)