100 Dollars

The 2006 series marked a significant redesign for Trinidad and Tobago's highest circulating denomination, introducing an optically variable device at a time when the country's energy export revenues were driving substantial foreign exchange volumes — making a credible high-denomination note a practical necessity rather than a ceremonial one. De La Rue's involvement with the Eastern Caribbean and wider Caribbean issuers during this period meant the security specification here closely tracked contemporary regional upgrades.

Two signatures appear: Ewart S. Williams, who governed the Central Bank from 1997 to 2012, and Jwala Rambarran, who would later succeed him as Governor in 2012.