The Cuernos de Negros Volcanic Complex is a large stratovolcano complex, the date of the last eruption is unknown but the complex is classified as potentially active. The volcanic complex is situated in Neogros Oriental not far from Dumaguette City.
Philippine Lakes #xxx, 5 Nov 2018
part of a Miniature sheet of 6 (se-tenant block)
The above stamp shows Balinsasayao Lake which is crater lake, approximately 1km wide, located within the Guintabon Caldera.
Philippine Lakes #xxx, 5 Nov 2018
part of a Souvenir Sheet of 2 (se-tenant block)
The left-hand stamp shows Kabalin-an Lake which is crater lake, approximately 1km wide, located within the Guintabon Caldera.
Thailand 2018 World Stamp Exhibition
featuring Philippine Lakes Souvenir Sheet with Additional Imprint #xxx, 28 Nov 2018
part of a Souvenir Sheet of 2 (se-tenant block) with special embelishments of silver hot foil stamping and die cut
Bangkok and Philippines FDCs