The Philippine Postal Corp. (PHLPost) has issued its first ever triangle-shaped stamps featuring eight marine species found in the country. According to PHLPost, the issuance of the Philippine Marine Biodiversity Stamp was in line with its participation in the "Tahailand 2013 World Stamp Exhibition" being held at the Siam Paragon in Bangkok. The exhibit kicked off last Friday and will end on Aug. 14.

Macairan, E. (2013, August 5). PHLPost issues first triangle stamps. The Philippine Star, p. 8.