The world's most famous sea sponge, SpongeBob SquarePants, will be immortalized on a square, legal tender silver bullion coin, along with friends, Patrick, Gary, and Sandy. The set presents the SpongeBob SquarePants characters packaged in a unique treasure chest, complete with a certificate of authenticity issued by New Zealand Mint.

For a limited time these one-of-kind coins can be pre-ordered through New Zealand Mint and PFG Precious Metals for US$279 (approx. NZ$350).

For more information and to pre-order, click here. Shipping is scheduled to begin by mid-December 2011.