One of the distinct features of Thailand which drag attentions of collectors from worldwide is its unique coinage. Exotic coins include Thai pig-mouth money, bracelet money, bar money, antique beads, seed, pebbles and Bullet Coins. One can find Indias gods and goddess imprint on old coins of Thailand.
Thailand coins can be traced prior to 1st century. Antique Thailand coins can be categorized into metallic coins of the Funan Kingdom, followed by Dvaravati coins from 7th to 11th centuries, further antiques Thailand coins were Dok Jan or Sandalwood flower coins, silver and copper made boat size coins and Pot Duang or bullet coins of Sri Vijaya Kingdom (8th - 13th centuries), Lanchang kingdom (15th - 19th centuries) and Sukhothai kingdom respectively.
Bullet coins were in circulation until 1904 during the Medieval Thailand- Rattanakosin Period for almost 600 years. Due to expansion of foreign trade and diplomatic relations, King Rama IV played crucial role in minting coins and bank notes officially. So, a minting machine was purchased from Britain and implanted Royal mint in Grand Palace in 1858. Hereafter, King Rama IV, denominated coins such as Thai Satang, tho, phi, padueng and baht coins. Medieval Thailand includes coins of Jaring Province, Patani Province, Legeh Province, Remain Province, Sai Province and Singgora Province.