cover 1942 (13 May) locally addressed, registered and express envelope bearing "DAI NIPPON" 8c. block of nine, one with "N PPON" variety and cancelled with several JD4 c.d.s. in violet (the earliest recorded date); some faults though a scarce cover

Details
cover 1942 (13 May) locally addressed, registered and express envelope bearing "DAI NIPPON" 8c. block of nine, one with "N PPON" variety and cancelled with several JD4 c.d.s. in violet (the earliest recorded date); some faults though a scarce cover