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| 1944: DAVAO to MANILA. 5c x 4 Dalaga Provisionals
for 20c quadruple letter rate with large type "koYo K.P." purple handstamp.
Davao Post Office re-opened on April 9, 1942. |
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| 1943 JULY 14: LEGASPI, ALBAY to MANILA. 5c
Single
letter rated official mail with boxed in purple "KoYo K.P." handstamp.
Legaspi Post Office re-opened on October 7, 1942. |
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