SCWPM: 33d - BnB: B213a 
Date: 2006
Signature 3 - Prefix: C/7

Description:
Colour: Violet, sea blue, and orange.
Front: Fish; conch shell; open treasure chest; coat of arms; Queen Elizabeth II.
Back: Coral reef; fish; conch shell. Solid security thread and windowed security thread
with demetalized CAYMAN ISLANDS.
Watermark: Turtle, electrotype CIMA, and Cornerstones.
Printer: DE LA RUE.
Size: 156 x 66 mm.

General information: 2005 - 2006 Issues
In late-2005 the CIMA began issuing a modified series of notes, including all denominations with the exception of the 50-dollar note. These new notes feature De La Rues Cornerstone watermarks for enhanced durability and security, as well as new signatures, and a solid security thread in addition to the windowed thread.

(Source: The Banknotebook)