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In “the coming months” (by December 2011, but maybe sooner if supplies of existing notes run out), the Bank of Guyana will issue a new 500-dollar (US$2.47) banknote with new security features, including the denomination added to the watermark as an electrotype element, a holographic stripe with a colorful macaw at right on the front, a new registration device, vertical serial numbers at left, and a windowed security thread now visible from the back, not the front. Furthermore, the notes bear a new printer imprint (Giesecke & Devrient instead of DE LA RUE). They remain undated and are signed by Lawrence Williams and Ashni Singh.
A new 1,000-dollar note will also be released with the same set of changes.
Courtesy of Thomas Krause and Murtaza Azeez.