Reference:
Pick: #5 , The Banknote Book: B105
Reference list
Description
Bhutan. Royal Government of Bhutan. 1978 Issues. 1 ngultrum type 1978. Date: No date. Dimensions: 157 x 68 mm. Watermark: None. Printer: Thomas De La Rue and Company, London. No security thread. Material: Paper. Front and back printing predominantly blue. Description of the front: In the center, the royal emblem in a circle between dragons facing each other holding conch shells (one of the eight auspicious symbols). “Royal Government of Bhutan” written in Dzongkha on 1 line. Series and numbering printed in black. Texts in Dzongkha. Signature: Yeshi Dorji. Description of the back: Texts in English. View of the "castle-monastery" Simtokha Dzong in the center. “Royal Government of Bhutan” at upper center in two lines. Mythical figures in the corners. Replacement notes: Prefix Z/1.