Categories Commemorative Stamps History Behind a Stamp New Stamps News Stamps World Croatian Issued Second Series of Undersea World Stamps Post author By PhilaMirror Post date June 29, 2015 Croatia has issued its second series of the Croatian Undersea World stamps on 15th June 2015 featuring various sea creatures. The stamps features Neptune’s lace, Long-snouted seahorse, Violescent sea-whip and Cylinder Anemone. ← Portugal Issued Stamp on Santiago Pilgrimage → HongKong Issued Stamps on World Heritage Site Honghe Hani Rice Terraces