Hawaii, Hamakuapoko, Maui, Jul 28, 1890, three strikes of purple cds (MH 281.01) tying 1886, 1¢ purple, horizontal pair + 2¢ vermilion + 1882, 1¢ blue on cover to Oakland, Cal., "Honolulu, H.I., Jul 29, 1890" duplex postmark with second strike on reverse, San Francisco transit and receiving backstamps; cover reduction at left, Very Fine. Scott No. 30+31a+37  Estimate $200 - 300. $0 (Image)