JAPAN / CAROLINE ISLANDS

Covers and stamps / Japan

JAPAN / CAROLINE ISLANDS: 1919 registered printed envelope "Imperial Post Office Yap" franked 1913 1s + 4s + 5s + 10s, with native and Yokohama registration labels, addressed to Switzerland with Basel 10 IX arrival, endorsed on reverse "Yap Postmaster (signed) Yamamoto", very fine.