About #21 - 1 dollar type 1965
Guyana. Bank of Guyana. 1965 Issues. Date: no date on the note. Dimensions: 156 x 65 mm. Watermark: no. Material: papier. Solid security thread. Printer: Thomas De La Rue & Company (TDLR), London, England. Multicolored front and back printing, predominantly red. Description of the front: gradient background made up of repeating patterns and rosettes. Texts in English. Prefix and numbering in black. On the right, Kaieteur Falls. In the center, the coat of arms of the Banque of Guyana. Nine combinations of signatures in black with the Governor and the Minister of Finance. Value "$ 1" in a red rosette on the left. Description of the back: guilloche frame. Texts in English. Rosette in the center. "Black Bush Polder" on the left and a rice harvest scene on the right. Value "$ 1" in the corners and in the center in a red rosette.