At 2'954 metres, Mount Apo is the highest mountain on the Philippines. Mount Apo is an active stratovolcano on the island of Mindanao.
Philippines 1971, Apo Volcano in the far background.
Philippines 1987, "50th Annyversary Davao City"
Mount Apo in the background.
Philippines 1988, Apo Volcano.
Philippines 1997, Philippine Eagle (Pithecophaga jefferyi).
Apo Volcano in the background.
Philippines 1998, "Apo View Hotel", Apo Volcano in the background.
Philippines 2003, Apo Volcano.
The stamp was issued in the series "Philippine Mountains".
Philippines 2012, Apo Volcano.