PH521 - Batanes Protected landscapes and seascapes (1993)

PH5026 - Taal Volcano Protected landscape, Batangas (2006)

PH5035 - Coron Island Natural Biotic Area (2006)

PH5024 - Chocolate Hills Natural Monument (2006)

PH5030 - Mt. Pulag National Park (2006)

Courtesy of Presea from postcrossing forum

PH5034 - El Nido-Taytay Managed Resource Protected Area (2006)

Courtesy of camiru from postcrossing

PH518 - San Sebastian Church (2006)

Courtesy of Presea from postcrossing forum