Worldwide nature protection: Scaly giant clams - block of stamps mint never hinged, catalog no. 865-868,

On October 31, 2012, this block of stamps was published in Pitcairn on the occasion of the subject of "Conservation of Nature: Shells". The stamp block contains eight stamps. The postage stamps for twice 20 C, twice 1.00, twice 2.10, twice $ 3.00 show different forms of the scaled giant clam. Catalog no. 865-868

The giant clams are often referred to as "barnacles" . Incorrectly, they are stalked that they snap at divers and other creatures and then hold them in the depths. In fact, the closing movement of the clam is very slow.