The 1 Baht banknotes have little change many times. All types of them are as follows.
1 Bath type 1 the lower left is Thai number and Thai alphabet.
1 Baht type 2 change the number at lower left to Arabic.
1 Baht type 3 delete lower left serial number and change the upper right alphabet to Thai.
The price was updated on 11th December 2017.
During the World War 2, Thai government had the banknote shortage problem because there was no delivered banknotes from Thomas de la Rue due to England was at war with Japan. The Thai government requested Japan to arrange the banknote printing. The Mitsui Bussan Kaisha Company was commissioned to act as an agent to contact the Japan Printing Bureau.
The banknotes later were different from those of early batches because Japan was heavily attacked by the Allies towards the end of the war thus causing shortage in raw materials.
The 5th series 1 Baht type 1 banknotes were announced on 10th Deptember 1942.
The 5th series 1 Baht type 2 banknotes were announced on 28th Novemberl 1942.
The 5th series 1 Baht type 3 banknotes were announced on 24th Febrauary 1944.
6.50 x 12.50 cm.
The main object is the image of King Rama 8 on the right. The left is the image of Pumin Temple at Nan. The middle is the "Thai Government" on guilloche design. The serial code and number were printed with red ink. The watermark image is the constitution on pedestal tray.
The main object is the Anandasamakom Throne Hall.
Signatures on banknote
Minister of Finance
General Pao pianlert Boripanyutakit (17 Dec 1941 - 1 Aug 1944)
Mr. Kuang Apaiwong (2 Aug 1944 - 10 Jan 1945)
Mr. Leng Srisomwong (10 Jan 1945 - 31 Aug 1945)