Thailand Entertainment duty, first issue May 18, 1939 . Printed by the Royal Thai Army Survey Department. Exists in imperforate and rouletted in lines. The 1 and 5 baht values with Arabic numerals were added in 1944 during world war 2. A 3 satang yellow also exists, but only 2 copies are recorded. These stamps range from very rare to scarce for the 25 satang and 1 baht. Originally the entertainment tax was levied on all kinds of entertainment for which spectators had to pay a