1943: SAN FERNANDO, PAMPANGA to MANILA. 5c x 3 Dalaga Provisionals for 15c triple letter rate with large type "KoYo K.P." purple handstamp.

San Fernando Post Office re-opened on July 3, 1942..

1943 NOVEMBER 8: COTOBATO to MANILA. 5c Single letter rated official mail with black  "KoYo K.P." handstamp, with the unique boxed in "COTOBATO / CANCELLED" postmark.

Cotobato Post Office re-opened on March 30, 1943.